diff --git a/sql/group.sql b/sql/group.sql
index d2f25e6..f8000f7 100644
--- a/sql/group.sql
+++ b/sql/group.sql
@@ -46,3 +46,26 @@ CREATE TABLE `group_user_score`
 CREATE UNIQUE INDEX uidx__group_user_id ON group_user_score (group_user_id);
 CREATE INDEX idx__group_id__group_user_id ON group_user_score (group_id, group_user_id);
 CREATE INDEX idx__uid ON group_user_score (uid);
+
+-- 그룹 태그
+CREATE TABLE `group_tag`
+(
+    `id`            bigint NOT NULL AUTO_INCREMENT COMMENT 'group tag id',
+    `name`          varchar(30) NOT NULL COMMENT '태그명',
+    `created_at`    datetime DEFAULT CURRENT_TIMESTAMP COMMENT '생성일',
+    `modified_at`   datetime DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT '수정일',
+    PRIMARY KEY (`id`)
+) ENGINE = InnoDB AUTO_INCREMENT=200000 DEFAULT CHARSET = utf8mb4 COLLATE = utf8mb4_general_ci COMMENT='그룹 태그';
+CREATE UNIQUE INDEX uidx__group_tag_name ON group_tag (name);
+
+-- 그룹 태그 매핑
+CREATE TABLE `group_tag_map`
+(
+    `id`            bigint NOT NULL AUTO_INCREMENT COMMENT 'group tag map id',
+    `group_id`      bigint NOT NULL COMMENT 'group id',
+    `tag_id`        bigint NOT NULL COMMENT 'group tag id',
+    `created_at`    datetime DEFAULT CURRENT_TIMESTAMP COMMENT '생성일',
+    `modified_at`   datetime DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT '수정일',
+    PRIMARY KEY (`id`)
+) ENGINE = InnoDB AUTO_INCREMENT=200000 DEFAULT CHARSET = utf8mb4 COLLATE = utf8mb4_general_ci COMMENT='그룹 태그 매핑';
+CREATE UNIQUE INDEX uidx__group_id__tag_id ON group_tag_map (group_id, tag_id);
\ No newline at end of file
diff --git a/src/main/kotlin/com/hero/alignlab/common/extension/QuerydslExtension.kt b/src/main/kotlin/com/hero/alignlab/common/extension/QuerydslExtension.kt
index a16a55f..c77df6a 100644
--- a/src/main/kotlin/com/hero/alignlab/common/extension/QuerydslExtension.kt
+++ b/src/main/kotlin/com/hero/alignlab/common/extension/QuerydslExtension.kt
@@ -44,7 +44,7 @@ fun NumberPath<Long>.isEquals(parameter: Long?): BooleanExpression? {
 }
 
 fun StringPath.isContains(parameter: String?): BooleanExpression? {
-    return parameter?.let { param -> this.contains(param) }
+    return parameter?.takeIf { param -> param.isNotEmpty() }?.let { param -> this.contains(param) }
 }
 
 fun NumberPath<Long>.isIn(parameters: Set<Long>?): BooleanExpression? {
diff --git a/src/main/kotlin/com/hero/alignlab/config/database/QueryDslConfig.kt b/src/main/kotlin/com/hero/alignlab/config/database/QueryDslConfig.kt
new file mode 100644
index 0000000..8f2aa3f
--- /dev/null
+++ b/src/main/kotlin/com/hero/alignlab/config/database/QueryDslConfig.kt
@@ -0,0 +1,16 @@
+package com.hero.alignlab.config.database
+
+import com.querydsl.jpa.impl.JPAQueryFactory
+import jakarta.persistence.EntityManager
+import jakarta.persistence.PersistenceContext
+import org.springframework.context.annotation.Bean
+import org.springframework.context.annotation.Configuration
+
+@Configuration
+class QueryDslConfig {
+    @PersistenceContext(name = "heroEntityManager")
+    private lateinit var entityManager: EntityManager
+
+    @Bean
+    fun jpaQueryFactory(): JPAQueryFactory = JPAQueryFactory(entityManager)
+}
\ No newline at end of file
diff --git a/src/main/kotlin/com/hero/alignlab/domain/discussion/domain/Discussion.kt b/src/main/kotlin/com/hero/alignlab/domain/discussion/domain/Discussion.kt
index a9fe16a..3b359f8 100644
--- a/src/main/kotlin/com/hero/alignlab/domain/discussion/domain/Discussion.kt
+++ b/src/main/kotlin/com/hero/alignlab/domain/discussion/domain/Discussion.kt
@@ -9,7 +9,7 @@ import jakarta.persistence.*
 class Discussion(
     @Id
     @GeneratedValue(strategy = GenerationType.IDENTITY)
-    val id: Long = -1L,
+    val id: Long = 0L,
 
     @Column(name = "uid")
     val uid: Long,
diff --git a/src/main/kotlin/com/hero/alignlab/domain/discussion/domain/DiscussionComment.kt b/src/main/kotlin/com/hero/alignlab/domain/discussion/domain/DiscussionComment.kt
index b2d7c92..a613b8d 100644
--- a/src/main/kotlin/com/hero/alignlab/domain/discussion/domain/DiscussionComment.kt
+++ b/src/main/kotlin/com/hero/alignlab/domain/discussion/domain/DiscussionComment.kt
@@ -8,7 +8,7 @@ import jakarta.persistence.*
 class DiscussionComment(
     @Id
     @GeneratedValue(strategy = GenerationType.IDENTITY)
-    val id: Long = -1L,
+    val id: Long = 0L,
 
     @Column(name = "uid")
     val uid: Long,
diff --git a/src/main/kotlin/com/hero/alignlab/domain/group/application/GroupFacade.kt b/src/main/kotlin/com/hero/alignlab/domain/group/application/GroupFacade.kt
index 91db601..166a8f7 100644
--- a/src/main/kotlin/com/hero/alignlab/domain/group/application/GroupFacade.kt
+++ b/src/main/kotlin/com/hero/alignlab/domain/group/application/GroupFacade.kt
@@ -7,11 +7,15 @@ import com.hero.alignlab.common.model.HeroPageRequest
 import com.hero.alignlab.config.database.TransactionTemplates
 import com.hero.alignlab.domain.auth.model.AuthUser
 import com.hero.alignlab.domain.group.domain.Group
+import com.hero.alignlab.domain.group.domain.GroupTag
 import com.hero.alignlab.domain.group.domain.GroupUser
 import com.hero.alignlab.domain.group.domain.GroupUserScore
 import com.hero.alignlab.domain.group.model.CreateGroupContext
+import com.hero.alignlab.domain.group.model.UpdateGroupContext
 import com.hero.alignlab.domain.group.model.request.CheckGroupRegisterRequest
 import com.hero.alignlab.domain.group.model.request.CreateGroupRequest
+import com.hero.alignlab.domain.group.model.request.CreateGroupTagRequest
+import com.hero.alignlab.domain.group.model.request.UpdateGroupRequest
 import com.hero.alignlab.domain.group.model.response.*
 import com.hero.alignlab.domain.pose.application.PoseSnapshotService
 import com.hero.alignlab.domain.pose.domain.vo.PoseType.Companion.BAD_POSE
@@ -33,6 +37,7 @@ class GroupFacade(
     private val groupService: GroupService,
     private val groupUserService: GroupUserService,
     private val groupUserScoreService: GroupUserScoreService,
+    private val groupTagService: GroupTagService,
     private val userInfoService: UserInfoService,
     private val txTemplates: TransactionTemplates,
     private val publisher: ApplicationEventPublisher,
@@ -54,19 +59,42 @@ class GroupFacade(
 
             val group = CreateGroupContext(user, request).create()
 
-            val createdGroup = createGroup(user, group)
+            txTemplates.writer.executes {
+                val createdGroup = createGroup(user, group)
+                val createdGroupTags = createGroupTag(createdGroup.id, request.tagNames)
 
-            CreateGroupResponse.from(createdGroup)
+                CreateGroupResponse.from(createdGroup, createdGroupTags)
+            }
         }
     }
 
     fun createGroup(user: AuthUser, group: Group): Group {
+        val createdGroup = groupService.saveSync(group)
+
+        publisher.publishEvent(CreateGroupEvent(createdGroup))
+
+        return createdGroup
+    }
+
+    fun createGroupTag(groupId: Long, tagNames: List<String>?): List<GroupTag> {
+        return if (!tagNames.isNullOrEmpty()) {
+            groupTagService.validateGroupTag(tagNames)
+            groupTagService.saveSync(CreateGroupTagRequest(groupId, tagNames))
+        } else emptyList()
+    }
+
+    suspend fun updateGroup(user: AuthUser, groupId: Long, request: UpdateGroupRequest): UpdateGroupResponse {
+        val group = groupService.findByIdAndOwnerUidOrThrow(groupId, user.uid)
         return txTemplates.writer.executes {
-            val createdGroup = groupService.saveSync(group)
+            val updatedGroup = groupService.saveSync(UpdateGroupContext(group, request).update())
 
-            publisher.publishEvent(CreateGroupEvent(createdGroup))
+            val updatedGroupTag = if (!request.tagNames.isNullOrEmpty()) {
+                groupTagService.validateGroupTag(request.tagNames)
+                groupTagService.deleteGroupTagMapSyncByGroupId(groupId)
+                groupTagService.saveSync(CreateGroupTagRequest(groupId, request.tagNames))
+            } else emptyList()
 
-            createdGroup
+            UpdateGroupResponse.from(updatedGroup, updatedGroupTag)
         }
     }
 
@@ -90,6 +118,7 @@ class GroupFacade(
 
         txTemplates.writer.executes {
             groupUserScoreService.deleteAllByUid(uid)
+            groupTagService.deleteGroupTagMapSyncByGroupId(groupId)
         }
     }
 
@@ -185,11 +214,12 @@ class GroupFacade(
                     .filterNot { groupUserScore -> groupUserScore.score == null }
                     .sortedBy { groupUserScore -> groupUserScore.score }
                     .take(5)
-            }
-        ) { group, groupUserScore ->
+            },
+            { groupTagService.findByGroupId(groupId) },
+        ) { group, groupUserScore, tags ->
             val ownerGroupUser = userInfoService.getUserByIdOrThrow(group.ownerUid)
 
-            GetGroupResponse.from(group, ownerGroupUser.nickname).run {
+            GetGroupResponse.of(group, tags, ownerGroupUser.nickname).run {
                 when (group.ownerUid == user.uid) {
                     true -> this
                     false -> this.copy(joinCode = null)
@@ -222,8 +252,8 @@ class GroupFacade(
         }
     }
 
-    suspend fun searchGroup(user: AuthUser, pageRequest: HeroPageRequest): Page<SearchGroupResponse> {
-        val groups = groupService.findAll(pageRequest.toDefault())
+    suspend fun searchGroup(user: AuthUser, tagName: String?, pageRequest: HeroPageRequest): Page<SearchGroupResponse> {
+        val groups = groupService.findByTagNameAndPage(tagName, pageRequest.toDefault())
 
         val groupUserByUid = groups.content.map { group -> group.id }
             .run { groupUserService.findByUidAndGroupIdIn(user.uid, this) }
diff --git a/src/main/kotlin/com/hero/alignlab/domain/group/application/GroupService.kt b/src/main/kotlin/com/hero/alignlab/domain/group/application/GroupService.kt
index f5f1524..da37edb 100644
--- a/src/main/kotlin/com/hero/alignlab/domain/group/application/GroupService.kt
+++ b/src/main/kotlin/com/hero/alignlab/domain/group/application/GroupService.kt
@@ -1,13 +1,7 @@
 package com.hero.alignlab.domain.group.application
 
-import com.hero.alignlab.common.extension.executes
-import com.hero.alignlab.config.database.TransactionTemplates
-import com.hero.alignlab.domain.auth.model.AuthUser
 import com.hero.alignlab.domain.group.domain.Group
 import com.hero.alignlab.domain.group.infrastructure.GroupRepository
-import com.hero.alignlab.domain.group.model.UpdateGroupContext
-import com.hero.alignlab.domain.group.model.request.UpdateGroupRequest
-import com.hero.alignlab.domain.group.model.response.UpdateGroupResponse
 import com.hero.alignlab.exception.ErrorCode
 import com.hero.alignlab.exception.NotFoundException
 import kotlinx.coroutines.Dispatchers
@@ -21,18 +15,7 @@ import org.springframework.transaction.annotation.Transactional
 @Service
 class GroupService(
     private val groupRepository: GroupRepository,
-    private val txTemplates: TransactionTemplates,
 ) {
-    suspend fun updateGroup(user: AuthUser, id: Long, request: UpdateGroupRequest): UpdateGroupResponse {
-        val group = findByIdAndOwnerUidOrThrow(id, user.uid)
-
-        val updatedGroup = txTemplates.writer.executes {
-            groupRepository.save(UpdateGroupContext(group, request).update())
-        }
-
-        return UpdateGroupResponse.from(updatedGroup)
-    }
-
     suspend fun existsByName(name: String): Boolean {
         return withContext(Dispatchers.IO) {
             groupRepository.existsByName(name)
@@ -72,9 +55,9 @@ class GroupService(
         return groupRepository.save(group)
     }
 
-    suspend fun findAll(pageable: Pageable): Page<Group> {
+    suspend fun findByTagNameAndPage(tagName: String?, pageable: Pageable): Page<Group> {
         return withContext(Dispatchers.IO) {
-            groupRepository.findAll(pageable)
+            groupRepository.findByTagNameAndPage(tagName, pageable)
         }
     }
 
diff --git a/src/main/kotlin/com/hero/alignlab/domain/group/application/GroupTagService.kt b/src/main/kotlin/com/hero/alignlab/domain/group/application/GroupTagService.kt
new file mode 100644
index 0000000..622269e
--- /dev/null
+++ b/src/main/kotlin/com/hero/alignlab/domain/group/application/GroupTagService.kt
@@ -0,0 +1,62 @@
+package com.hero.alignlab.domain.group.application
+
+import com.hero.alignlab.domain.group.domain.GroupTag
+import com.hero.alignlab.domain.group.domain.GroupTagMap
+import com.hero.alignlab.domain.group.infrastructure.GroupTagMapRepository
+import com.hero.alignlab.domain.group.infrastructure.GroupTagRepository
+import com.hero.alignlab.domain.group.model.request.CreateGroupTagRequest
+import com.hero.alignlab.exception.ErrorCode
+import com.hero.alignlab.exception.InvalidRequestException
+import kotlinx.coroutines.Dispatchers
+import kotlinx.coroutines.withContext
+import org.springframework.stereotype.Service
+import org.springframework.transaction.annotation.Transactional
+
+@Service
+class GroupTagService(
+    private val groupTagRepository: GroupTagRepository,
+    private val groupTagMapRepository: GroupTagMapRepository,
+) {
+    @Transactional
+    fun saveSync(request: CreateGroupTagRequest): List<GroupTag> {
+        val existsTags = groupTagRepository.findAllByNameIn(request.tagNames)
+        val existsTagNames = existsTags.map { tag -> tag.name }
+
+        val needToCreateTags = request.tagNames
+            .filterNot { tagName -> existsTagNames.contains(tagName) }
+            .map { tagName -> GroupTag(name = tagName) }
+
+        val createdTags = groupTagRepository.saveAll(needToCreateTags)
+
+        (createdTags + existsTags)
+            .map { tag -> GroupTagMap(groupId = request.groupId, tagId = tag.id) }
+            .run { groupTagMapRepository.saveAll(this) }
+
+        return (createdTags + existsTags)
+    }
+
+    @Transactional
+    fun deleteGroupTagMapSyncByGroupId(groupId: Long) {
+        /**
+         * 왜, QueryDSL로 삭제를 했는지
+         * https://docs.jboss.org/hibernate/orm/4.2/javadocs/org/hibernate/event/internal/AbstractFlushingEventListener.html
+         */
+        groupTagRepository.deleteGroupTagMapByGroupId(groupId)
+    }
+
+    suspend fun findByGroupId(groupId: Long): List<GroupTag> {
+        return withContext(Dispatchers.IO) {
+            groupTagRepository.findByGroupId(groupId)
+        }
+    }
+
+    fun validateGroupTag(tagNames: List<String>) {
+        if (tagNames.size > 3) {
+            throw InvalidRequestException(ErrorCode.OVER_COUNT_GROUP_TAG_ERROR)
+        }
+
+        if (tagNames.size != tagNames.distinct().size) {
+            throw InvalidRequestException(ErrorCode.DUPLICATE_GROUP_TAG_NAME_ERROR)
+        }
+    }
+}
\ No newline at end of file
diff --git a/src/main/kotlin/com/hero/alignlab/domain/group/domain/Group.kt b/src/main/kotlin/com/hero/alignlab/domain/group/domain/Group.kt
index c91e428..fa34c6d 100644
--- a/src/main/kotlin/com/hero/alignlab/domain/group/domain/Group.kt
+++ b/src/main/kotlin/com/hero/alignlab/domain/group/domain/Group.kt
@@ -8,7 +8,7 @@ import jakarta.persistence.*
 data class Group(
     @Id
     @GeneratedValue(strategy = GenerationType.IDENTITY)
-    val id: Long = -1,
+    val id: Long = 0L,
 
     @Column(name = "name")
     var name: String,
diff --git a/src/main/kotlin/com/hero/alignlab/domain/group/domain/GroupTag.kt b/src/main/kotlin/com/hero/alignlab/domain/group/domain/GroupTag.kt
new file mode 100644
index 0000000..90e9d23
--- /dev/null
+++ b/src/main/kotlin/com/hero/alignlab/domain/group/domain/GroupTag.kt
@@ -0,0 +1,15 @@
+package com.hero.alignlab.domain.group.domain
+
+import com.hero.alignlab.domain.common.domain.BaseEntity
+import jakarta.persistence.*
+
+@Entity
+@Table(name = "`group_tag`")
+data class GroupTag(
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    val id: Long = 0L,
+
+    @Column(name = "name")
+    var name: String,
+) : BaseEntity()
\ No newline at end of file
diff --git a/src/main/kotlin/com/hero/alignlab/domain/group/domain/GroupTagMap.kt b/src/main/kotlin/com/hero/alignlab/domain/group/domain/GroupTagMap.kt
new file mode 100644
index 0000000..33ef049
--- /dev/null
+++ b/src/main/kotlin/com/hero/alignlab/domain/group/domain/GroupTagMap.kt
@@ -0,0 +1,18 @@
+package com.hero.alignlab.domain.group.domain
+
+import com.hero.alignlab.domain.common.domain.BaseEntity
+import jakarta.persistence.*
+
+@Entity
+@Table(name = "`group_tag_map`")
+data class GroupTagMap (
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    val id: Long = 0L,
+
+    @Column(name = "group_id")
+    val groupId: Long,
+
+    @Column(name = "tag_id")
+    val tagId: Long
+) : BaseEntity()
\ No newline at end of file
diff --git a/src/main/kotlin/com/hero/alignlab/domain/group/domain/GroupUser.kt b/src/main/kotlin/com/hero/alignlab/domain/group/domain/GroupUser.kt
index 0203f95..ac64adb 100644
--- a/src/main/kotlin/com/hero/alignlab/domain/group/domain/GroupUser.kt
+++ b/src/main/kotlin/com/hero/alignlab/domain/group/domain/GroupUser.kt
@@ -8,7 +8,7 @@ import jakarta.persistence.*
 data class GroupUser(
     @Id
     @GeneratedValue(strategy = GenerationType.IDENTITY)
-    val id: Long = -1,
+    val id: Long = 0L,
 
     @Column(name = "group_id")
     val groupId: Long,
diff --git a/src/main/kotlin/com/hero/alignlab/domain/group/domain/GroupUserScore.kt b/src/main/kotlin/com/hero/alignlab/domain/group/domain/GroupUserScore.kt
index 074d82d..04dc288 100644
--- a/src/main/kotlin/com/hero/alignlab/domain/group/domain/GroupUserScore.kt
+++ b/src/main/kotlin/com/hero/alignlab/domain/group/domain/GroupUserScore.kt
@@ -8,7 +8,7 @@ import jakarta.persistence.*
 class GroupUserScore(
     @Id
     @GeneratedValue(strategy = GenerationType.IDENTITY)
-    val id: Long = -1,
+    val id: Long = 0L,
 
     @Column(name = "group_id")
     val groupId: Long,
diff --git a/src/main/kotlin/com/hero/alignlab/domain/group/infrastructure/GroupQRepository.kt b/src/main/kotlin/com/hero/alignlab/domain/group/infrastructure/GroupQRepository.kt
new file mode 100644
index 0000000..bff8386
--- /dev/null
+++ b/src/main/kotlin/com/hero/alignlab/domain/group/infrastructure/GroupQRepository.kt
@@ -0,0 +1,9 @@
+package com.hero.alignlab.domain.group.infrastructure
+
+import com.hero.alignlab.domain.group.domain.Group
+import org.springframework.data.domain.Page
+import org.springframework.data.domain.Pageable
+
+interface GroupQRepository {
+    fun findByTagNameAndPage(tagName: String?, pageable: Pageable): Page<Group>
+}
\ No newline at end of file
diff --git a/src/main/kotlin/com/hero/alignlab/domain/group/infrastructure/GroupQRepositoryImpl.kt b/src/main/kotlin/com/hero/alignlab/domain/group/infrastructure/GroupQRepositoryImpl.kt
new file mode 100644
index 0000000..16f0449
--- /dev/null
+++ b/src/main/kotlin/com/hero/alignlab/domain/group/infrastructure/GroupQRepositoryImpl.kt
@@ -0,0 +1,52 @@
+package com.hero.alignlab.domain.group.infrastructure
+
+import com.hero.alignlab.common.extension.isContains
+import com.hero.alignlab.domain.group.domain.Group
+import com.hero.alignlab.domain.group.domain.QGroup.group
+import com.hero.alignlab.domain.group.domain.QGroupTag.groupTag
+import com.hero.alignlab.domain.group.domain.QGroupTagMap.groupTagMap
+import com.querydsl.core.types.OrderSpecifier
+import com.querydsl.core.types.dsl.ComparableExpressionBase
+import com.querydsl.jpa.impl.JPAQueryFactory
+import org.springframework.data.domain.Page
+import org.springframework.data.domain.PageImpl
+import org.springframework.data.domain.Pageable
+
+class GroupQRepositoryImpl(
+    private val queryFactory: JPAQueryFactory,
+) : GroupQRepository {
+    override fun findByTagNameAndPage(tagName: String?, pageable: Pageable): Page<Group> {
+        val groups = queryFactory
+            .selectDistinct(group)
+            .from(group)
+            .leftJoin(groupTagMap).on(group.id.eq(groupTagMap.groupId))
+            .leftJoin(groupTag).on(groupTagMap.tagId.eq(groupTag.id))
+            .where(groupTag.name.isContains(tagName))
+            .offset(pageable.offset)
+            .limit(pageable.pageSize.toLong())
+            .orderBy(getGroupOrderSpecifier(pageable))
+            .fetch()
+
+        val count = queryFactory
+            .select(group.countDistinct())
+            .from(group)
+            .leftJoin(groupTagMap).on(group.id.eq(groupTagMap.groupId))
+            .leftJoin(groupTag).on(groupTagMap.tagId.eq(groupTag.id))
+            .where(groupTag.name.isContains(tagName))
+            .orderBy(getGroupOrderSpecifier(pageable))
+            .fetchOne() ?: 0L
+
+        return PageImpl(groups, pageable, count)
+    }
+
+    private fun getGroupOrderSpecifier(pageable: Pageable): OrderSpecifier<out Comparable<*>?>? {
+        val order = pageable.sort.firstOrNull() ?: return null
+        val orderSpecifier: ComparableExpressionBase<out Comparable<*>> = when (order.property) {
+            "createdAt" -> group.createdAt
+            "name" -> group.name
+            "ownerUid" -> group.ownerUid
+            else -> group.createdAt
+        }
+        return if (order.isDescending) orderSpecifier.desc() else orderSpecifier.asc()
+    }
+}
\ No newline at end of file
diff --git a/src/main/kotlin/com/hero/alignlab/domain/group/infrastructure/GroupRepository.kt b/src/main/kotlin/com/hero/alignlab/domain/group/infrastructure/GroupRepository.kt
index 6463acf..77cf701 100644
--- a/src/main/kotlin/com/hero/alignlab/domain/group/infrastructure/GroupRepository.kt
+++ b/src/main/kotlin/com/hero/alignlab/domain/group/infrastructure/GroupRepository.kt
@@ -8,7 +8,7 @@ import java.time.LocalDateTime
 
 @Repository
 @Transactional(readOnly = true)
-interface GroupRepository : JpaRepository<Group, Long> {
+interface GroupRepository : JpaRepository<Group, Long>, GroupQRepository {
     fun existsByName(name: String): Boolean
 
     fun findByIdAndOwnerUid(id: Long, ownerUid: Long): Group?
diff --git a/src/main/kotlin/com/hero/alignlab/domain/group/infrastructure/GroupTagMapRepository.kt b/src/main/kotlin/com/hero/alignlab/domain/group/infrastructure/GroupTagMapRepository.kt
new file mode 100644
index 0000000..8de0426
--- /dev/null
+++ b/src/main/kotlin/com/hero/alignlab/domain/group/infrastructure/GroupTagMapRepository.kt
@@ -0,0 +1,10 @@
+package com.hero.alignlab.domain.group.infrastructure
+
+import com.hero.alignlab.domain.group.domain.GroupTagMap
+import org.springframework.data.jpa.repository.JpaRepository
+import org.springframework.stereotype.Repository
+import org.springframework.transaction.annotation.Transactional
+
+@Transactional(readOnly = true)
+@Repository
+interface GroupTagMapRepository : JpaRepository<GroupTagMap, Long>
\ No newline at end of file
diff --git a/src/main/kotlin/com/hero/alignlab/domain/group/infrastructure/GroupTagQRepository.kt b/src/main/kotlin/com/hero/alignlab/domain/group/infrastructure/GroupTagQRepository.kt
new file mode 100644
index 0000000..6cf05f8
--- /dev/null
+++ b/src/main/kotlin/com/hero/alignlab/domain/group/infrastructure/GroupTagQRepository.kt
@@ -0,0 +1,9 @@
+package com.hero.alignlab.domain.group.infrastructure
+
+import com.hero.alignlab.domain.group.domain.GroupTag
+
+interface GroupTagQRepository {
+    fun findByGroupId(groupId: Long): List<GroupTag>
+
+    fun deleteGroupTagMapByGroupId(groupId: Long)
+}
\ No newline at end of file
diff --git a/src/main/kotlin/com/hero/alignlab/domain/group/infrastructure/GroupTagQRepositoryImpl.kt b/src/main/kotlin/com/hero/alignlab/domain/group/infrastructure/GroupTagQRepositoryImpl.kt
new file mode 100644
index 0000000..529eba4
--- /dev/null
+++ b/src/main/kotlin/com/hero/alignlab/domain/group/infrastructure/GroupTagQRepositoryImpl.kt
@@ -0,0 +1,23 @@
+package com.hero.alignlab.domain.group.infrastructure
+
+import com.hero.alignlab.domain.group.domain.GroupTag
+import com.hero.alignlab.domain.group.domain.QGroupTag.groupTag
+import com.hero.alignlab.domain.group.domain.QGroupTagMap.groupTagMap
+import com.querydsl.jpa.impl.JPAQueryFactory
+
+class GroupTagQRepositoryImpl(
+    private val queryFactory: JPAQueryFactory,
+) : GroupTagQRepository {
+    override fun findByGroupId(groupId: Long): List<GroupTag> {
+        return queryFactory.selectFrom(groupTag)
+            .join(groupTagMap).on(groupTag.id.eq(groupTagMap.tagId))
+            .where(groupTagMap.groupId.eq(groupId))
+            .fetch()
+    }
+
+    override fun deleteGroupTagMapByGroupId(groupId: Long) {
+        queryFactory.delete(groupTagMap)
+            .where(groupTagMap.groupId.eq(groupId))
+            .execute()
+    }
+}
\ No newline at end of file
diff --git a/src/main/kotlin/com/hero/alignlab/domain/group/infrastructure/GroupTagRepository.kt b/src/main/kotlin/com/hero/alignlab/domain/group/infrastructure/GroupTagRepository.kt
new file mode 100644
index 0000000..bd72a84
--- /dev/null
+++ b/src/main/kotlin/com/hero/alignlab/domain/group/infrastructure/GroupTagRepository.kt
@@ -0,0 +1,12 @@
+package com.hero.alignlab.domain.group.infrastructure
+
+import com.hero.alignlab.domain.group.domain.GroupTag
+import org.springframework.data.jpa.repository.JpaRepository
+import org.springframework.stereotype.Repository
+import org.springframework.transaction.annotation.Transactional
+
+@Transactional(readOnly = true)
+@Repository
+interface GroupTagRepository : JpaRepository<GroupTag, Long>, GroupTagQRepository {
+    fun findAllByNameIn(names: List<String>): Set<GroupTag>
+}
\ No newline at end of file
diff --git a/src/main/kotlin/com/hero/alignlab/domain/group/model/request/CreateGroupRequest.kt b/src/main/kotlin/com/hero/alignlab/domain/group/model/request/CreateGroupRequest.kt
index 8b21684..9ba24d8 100644
--- a/src/main/kotlin/com/hero/alignlab/domain/group/model/request/CreateGroupRequest.kt
+++ b/src/main/kotlin/com/hero/alignlab/domain/group/model/request/CreateGroupRequest.kt
@@ -11,4 +11,6 @@ data class CreateGroupRequest(
     val joinCode: String?,
     /** 정원, 기본값 30 */
     val userCapacity: Int?,
+    /** 태그 리스트, 최대 3개 */
+    val tagNames: List<String>?,
 )
diff --git a/src/main/kotlin/com/hero/alignlab/domain/group/model/request/CreateGroupTagRequest.kt b/src/main/kotlin/com/hero/alignlab/domain/group/model/request/CreateGroupTagRequest.kt
new file mode 100644
index 0000000..04ef3f0
--- /dev/null
+++ b/src/main/kotlin/com/hero/alignlab/domain/group/model/request/CreateGroupTagRequest.kt
@@ -0,0 +1,8 @@
+package com.hero.alignlab.domain.group.model.request
+
+data class CreateGroupTagRequest(
+    /** 그룹명, 중복 불가능 */
+    val groupId: Long,
+    /** 태그 리스트, 최대 3개 */
+    val tagNames: List<String>,
+)
\ No newline at end of file
diff --git a/src/main/kotlin/com/hero/alignlab/domain/group/model/request/GroupTagRequest.kt b/src/main/kotlin/com/hero/alignlab/domain/group/model/request/GroupTagRequest.kt
new file mode 100644
index 0000000..c9480dd
--- /dev/null
+++ b/src/main/kotlin/com/hero/alignlab/domain/group/model/request/GroupTagRequest.kt
@@ -0,0 +1,8 @@
+package com.hero.alignlab.domain.group.model.request
+
+data class GroupTagRequest(
+    /** 태그 ID */
+    val tagId: Long,
+    /** 태그명 */
+    val tagName: String,
+)
diff --git a/src/main/kotlin/com/hero/alignlab/domain/group/model/request/UpdateGroupRequest.kt b/src/main/kotlin/com/hero/alignlab/domain/group/model/request/UpdateGroupRequest.kt
index 29ab4b9..20e4ab9 100644
--- a/src/main/kotlin/com/hero/alignlab/domain/group/model/request/UpdateGroupRequest.kt
+++ b/src/main/kotlin/com/hero/alignlab/domain/group/model/request/UpdateGroupRequest.kt
@@ -11,4 +11,6 @@ data class UpdateGroupRequest(
     val joinCode: String?,
     /** 정원, 기본값 30 */
     val userCapacity: Int?,
+    /** 수정할 태그 리스트 */
+    val tagNames: List<String>?,
 )
diff --git a/src/main/kotlin/com/hero/alignlab/domain/group/model/response/CreateGroupResponse.kt b/src/main/kotlin/com/hero/alignlab/domain/group/model/response/CreateGroupResponse.kt
index 492b423..0392df3 100644
--- a/src/main/kotlin/com/hero/alignlab/domain/group/model/response/CreateGroupResponse.kt
+++ b/src/main/kotlin/com/hero/alignlab/domain/group/model/response/CreateGroupResponse.kt
@@ -1,6 +1,7 @@
 package com.hero.alignlab.domain.group.model.response
 
 import com.hero.alignlab.domain.group.domain.Group
+import com.hero.alignlab.domain.group.domain.GroupTag
 
 data class CreateGroupResponse(
     /** group id */
@@ -9,13 +10,16 @@ data class CreateGroupResponse(
     val name: String,
     /** 그룹 설명 */
     val description: String?,
+    /** 그룹 태그 리스트 */
+    val tags: List<GroupTagResponse>?,
 ) {
     companion object {
-        fun from(group: Group): CreateGroupResponse {
+        fun from(group: Group, tags: List<GroupTag>): CreateGroupResponse {
             return CreateGroupResponse(
                 id = group.id,
                 name = group.name,
                 description = group.description,
+                tags = tags.map { GroupTagResponse(it.id, it.name) },
             )
         }
     }
diff --git a/src/main/kotlin/com/hero/alignlab/domain/group/model/response/GetGroupResponse.kt b/src/main/kotlin/com/hero/alignlab/domain/group/model/response/GetGroupResponse.kt
index fb9540a..b3d44bc 100644
--- a/src/main/kotlin/com/hero/alignlab/domain/group/model/response/GetGroupResponse.kt
+++ b/src/main/kotlin/com/hero/alignlab/domain/group/model/response/GetGroupResponse.kt
@@ -1,6 +1,7 @@
 package com.hero.alignlab.domain.group.model.response
 
 import com.hero.alignlab.domain.group.domain.Group
+import com.hero.alignlab.domain.group.domain.GroupTag
 
 data class GetGroupResponse(
     val id: Long,
@@ -16,10 +17,12 @@ data class GetGroupResponse(
     val userCount: Int,
     /** 그룹 정원 */
     val userCapacity: Int,
-    val ranks: List<GetGroupRankResponse>? = null
+    val ranks: List<GetGroupRankResponse>? = null,
+    /** 그룹 태그 리스트 */
+    val tags: List<GroupTagResponse>?,
 ) {
     companion object {
-        fun from(group: Group, ownerName: String): GetGroupResponse {
+        fun of(group: Group, tags: List<GroupTag>?, ownerName: String): GetGroupResponse {
             return GetGroupResponse(
                 id = group.id,
                 name = group.name,
@@ -29,7 +32,8 @@ data class GetGroupResponse(
                 isHidden = group.isHidden,
                 joinCode = group.joinCode,
                 userCount = group.userCount,
-                userCapacity = group.userCapacity
+                userCapacity = group.userCapacity,
+                tags = tags?.map { GroupTagResponse(it.id, it.name) },
             )
         }
     }
diff --git a/src/main/kotlin/com/hero/alignlab/domain/group/model/response/GroupTagResponse.kt b/src/main/kotlin/com/hero/alignlab/domain/group/model/response/GroupTagResponse.kt
new file mode 100644
index 0000000..e1e2c2f
--- /dev/null
+++ b/src/main/kotlin/com/hero/alignlab/domain/group/model/response/GroupTagResponse.kt
@@ -0,0 +1,8 @@
+package com.hero.alignlab.domain.group.model.response
+
+data class GroupTagResponse(
+    /** 태그 ID */
+    val tagId: Long,
+    /** 태그명 */
+    val tagName: String,
+)
diff --git a/src/main/kotlin/com/hero/alignlab/domain/group/model/response/UpdateGroupResponse.kt b/src/main/kotlin/com/hero/alignlab/domain/group/model/response/UpdateGroupResponse.kt
index 6e03dfe..e0c4cfa 100644
--- a/src/main/kotlin/com/hero/alignlab/domain/group/model/response/UpdateGroupResponse.kt
+++ b/src/main/kotlin/com/hero/alignlab/domain/group/model/response/UpdateGroupResponse.kt
@@ -1,6 +1,7 @@
 package com.hero.alignlab.domain.group.model.response
 
 import com.hero.alignlab.domain.group.domain.Group
+import com.hero.alignlab.domain.group.domain.GroupTag
 
 data class UpdateGroupResponse(
     /** group id */
@@ -9,13 +10,16 @@ data class UpdateGroupResponse(
     val name: String,
     /** 그룹 설명 */
     val description: String?,
+    /** 그룹 태그 리스트 */
+    val tags: List<GroupTagResponse>?,
 ) {
     companion object {
-        fun from(group: Group): UpdateGroupResponse {
+        fun from(group: Group, tags: List<GroupTag>): UpdateGroupResponse {
             return UpdateGroupResponse(
                 id = group.id,
                 name = group.name,
                 description = group.description,
+                tags = tags.map { GroupTagResponse(it.id, it.name) },
             )
         }
     }
diff --git a/src/main/kotlin/com/hero/alignlab/domain/group/resource/GroupResource.kt b/src/main/kotlin/com/hero/alignlab/domain/group/resource/GroupResource.kt
index d78eec1..3411d28 100644
--- a/src/main/kotlin/com/hero/alignlab/domain/group/resource/GroupResource.kt
+++ b/src/main/kotlin/com/hero/alignlab/domain/group/resource/GroupResource.kt
@@ -9,7 +9,6 @@ import com.hero.alignlab.common.model.PageResponse
 import com.hero.alignlab.common.model.Response
 import com.hero.alignlab.domain.auth.model.AuthUser
 import com.hero.alignlab.domain.group.application.GroupFacade
-import com.hero.alignlab.domain.group.application.GroupService
 import com.hero.alignlab.domain.group.model.request.CheckGroupRegisterRequest
 import com.hero.alignlab.domain.group.model.request.CreateGroupRequest
 import com.hero.alignlab.domain.group.model.request.UpdateGroupRequest
@@ -25,7 +24,6 @@ import org.springframework.web.bind.annotation.*
 @RestController
 @RequestMapping(produces = [MediaType.APPLICATION_JSON_VALUE])
 class GroupResource(
-    private val groupService: GroupService,
     private val groupFacade: GroupFacade,
 ) {
     /**
@@ -51,9 +49,10 @@ class GroupResource(
     @GetMapping("/api/v1/groups")
     suspend fun searchGroups(
         user: AuthUser,
+        @RequestParam(required = false) tagName: String?,
         @ParameterObject pageRequest: HeroPageRequest,
     ): PageResponse<SearchGroupResponse> {
-        return groupFacade.searchGroup(user, pageRequest).wrapPage()
+        return groupFacade.searchGroup(user, tagName, pageRequest).wrapPage()
     }
 
     @Operation(summary = "그룹 생성")
@@ -72,9 +71,9 @@ class GroupResource(
         @PathVariable id: Long,
         @RequestBody request: UpdateGroupRequest
     ): ResponseEntity<Response<UpdateGroupResponse>> {
-        return groupService.updateGroup(
+        return groupFacade.updateGroup(
             user = user,
-            id = id,
+            groupId = id,
             request = request
         ).wrapOk()
     }
diff --git a/src/main/kotlin/com/hero/alignlab/domain/image/domain/ImageMetadata.kt b/src/main/kotlin/com/hero/alignlab/domain/image/domain/ImageMetadata.kt
index 339f03a..b8515ed 100644
--- a/src/main/kotlin/com/hero/alignlab/domain/image/domain/ImageMetadata.kt
+++ b/src/main/kotlin/com/hero/alignlab/domain/image/domain/ImageMetadata.kt
@@ -9,10 +9,10 @@ import jakarta.persistence.*
 class ImageMetadata(
     @Id
     @GeneratedValue(strategy = GenerationType.IDENTITY)
-    val id: Long = -1,
+    val id: Long = 0L,
 
     @Column(name = "uid")
-    val uid: Long = -1,
+    val uid: Long = 0L,
 
     @Column(name = "filename")
     val filename: String,
diff --git a/src/main/kotlin/com/hero/alignlab/domain/log/domain/SystemActionLog.kt b/src/main/kotlin/com/hero/alignlab/domain/log/domain/SystemActionLog.kt
index 5443676..e185e3e 100644
--- a/src/main/kotlin/com/hero/alignlab/domain/log/domain/SystemActionLog.kt
+++ b/src/main/kotlin/com/hero/alignlab/domain/log/domain/SystemActionLog.kt
@@ -8,7 +8,7 @@ import jakarta.persistence.*
 class SystemActionLog(
     @Id
     @GeneratedValue(strategy = GenerationType.IDENTITY)
-    val id: Long = -1L,
+    val id: Long = 0L,
 
     @Column(name = "uid")
     val uid: Long? = null,
diff --git a/src/main/kotlin/com/hero/alignlab/domain/notification/domain/PoseNotification.kt b/src/main/kotlin/com/hero/alignlab/domain/notification/domain/PoseNotification.kt
index 7b2727f..fd6bd46 100644
--- a/src/main/kotlin/com/hero/alignlab/domain/notification/domain/PoseNotification.kt
+++ b/src/main/kotlin/com/hero/alignlab/domain/notification/domain/PoseNotification.kt
@@ -10,10 +10,10 @@ import jakarta.persistence.*
 class PoseNotification(
     @Id
     @GeneratedValue(strategy = GenerationType.IDENTITY)
-    val id: Long = -1,
+    val id: Long = 0L,
 
     @Column(name = "uid")
-    val uid: Long = -1,
+    val uid: Long = 0L,
 
     @Column(name = "is_active")
     var isActive: Boolean = true,
diff --git a/src/main/kotlin/com/hero/alignlab/domain/pose/domain/PoseCount.kt b/src/main/kotlin/com/hero/alignlab/domain/pose/domain/PoseCount.kt
index dd6e448..83683f5 100644
--- a/src/main/kotlin/com/hero/alignlab/domain/pose/domain/PoseCount.kt
+++ b/src/main/kotlin/com/hero/alignlab/domain/pose/domain/PoseCount.kt
@@ -11,7 +11,7 @@ class PoseCount(
     @Id
     @GeneratedValue(strategy = GenerationType.IDENTITY)
     @Column(name = "id")
-    val id: Long = -1,
+    val id: Long = 0L,
 
     @Column(name = "uid")
     val uid: Long,
diff --git a/src/main/kotlin/com/hero/alignlab/domain/pose/domain/PoseKeyPointSnapshot.kt b/src/main/kotlin/com/hero/alignlab/domain/pose/domain/PoseKeyPointSnapshot.kt
index 9c5a393..720645b 100644
--- a/src/main/kotlin/com/hero/alignlab/domain/pose/domain/PoseKeyPointSnapshot.kt
+++ b/src/main/kotlin/com/hero/alignlab/domain/pose/domain/PoseKeyPointSnapshot.kt
@@ -10,7 +10,7 @@ class PoseKeyPointSnapshot(
     @Id
     @GeneratedValue(strategy = GenerationType.IDENTITY)
     @Column(name = "id")
-    val id: Long = -1L,
+    val id: Long = 0L,
 
     @Column(name = "pose_snapshot_id")
     val poseSnapshotId: Long,
diff --git a/src/main/kotlin/com/hero/alignlab/domain/pose/domain/PoseLayout.kt b/src/main/kotlin/com/hero/alignlab/domain/pose/domain/PoseLayout.kt
index 12142f7..7e6d777 100644
--- a/src/main/kotlin/com/hero/alignlab/domain/pose/domain/PoseLayout.kt
+++ b/src/main/kotlin/com/hero/alignlab/domain/pose/domain/PoseLayout.kt
@@ -9,7 +9,7 @@ class PoseLayout(
     @Id
     @GeneratedValue(strategy = GenerationType.IDENTITY)
     @Column(name = "id")
-    val id: Long = -1,
+    val id: Long = 0L,
 
     @Column(name = "uid")
     val uid: Long,
diff --git a/src/main/kotlin/com/hero/alignlab/domain/pose/domain/PoseLayoutPoint.kt b/src/main/kotlin/com/hero/alignlab/domain/pose/domain/PoseLayoutPoint.kt
index 0b68bea..f917d71 100644
--- a/src/main/kotlin/com/hero/alignlab/domain/pose/domain/PoseLayoutPoint.kt
+++ b/src/main/kotlin/com/hero/alignlab/domain/pose/domain/PoseLayoutPoint.kt
@@ -10,7 +10,7 @@ class PoseLayoutPoint(
     @Id
     @GeneratedValue(strategy = GenerationType.IDENTITY)
     @Column(name = "id")
-    val id: Long = -1,
+    val id: Long = 0L,
 
     @Column(name = "pose_layout_id")
     val poseLayoutId: Long,
diff --git a/src/main/kotlin/com/hero/alignlab/domain/pose/domain/PoseSnapshot.kt b/src/main/kotlin/com/hero/alignlab/domain/pose/domain/PoseSnapshot.kt
index b5b3f01..1b3dcb4 100644
--- a/src/main/kotlin/com/hero/alignlab/domain/pose/domain/PoseSnapshot.kt
+++ b/src/main/kotlin/com/hero/alignlab/domain/pose/domain/PoseSnapshot.kt
@@ -11,7 +11,7 @@ data class PoseSnapshot(
     @Id
     @GeneratedValue(strategy = GenerationType.IDENTITY)
     @Column(name = "id")
-    val id: Long = -1,
+    val id: Long = 0L,
 
     @Column(name = "uid")
     val uid: Long,
diff --git a/src/main/kotlin/com/hero/alignlab/domain/user/domain/CredentialUserInfo.kt b/src/main/kotlin/com/hero/alignlab/domain/user/domain/CredentialUserInfo.kt
index 7d54218..0ee7984 100644
--- a/src/main/kotlin/com/hero/alignlab/domain/user/domain/CredentialUserInfo.kt
+++ b/src/main/kotlin/com/hero/alignlab/domain/user/domain/CredentialUserInfo.kt
@@ -10,7 +10,7 @@ import jakarta.persistence.*
 class CredentialUserInfo(
     @Id
     @GeneratedValue(strategy = GenerationType.IDENTITY)
-    val id: Long = -1,
+    val id: Long = 0L,
 
     @Column(name = "uid")
     val uid: Long,
diff --git a/src/main/kotlin/com/hero/alignlab/domain/user/domain/OAuthUserInfo.kt b/src/main/kotlin/com/hero/alignlab/domain/user/domain/OAuthUserInfo.kt
index 9417a88..bb246cc 100644
--- a/src/main/kotlin/com/hero/alignlab/domain/user/domain/OAuthUserInfo.kt
+++ b/src/main/kotlin/com/hero/alignlab/domain/user/domain/OAuthUserInfo.kt
@@ -9,7 +9,7 @@ import jakarta.persistence.*
 class OAuthUserInfo(
     @Id
     @GeneratedValue(strategy = GenerationType.IDENTITY)
-    val id: Long = -1,
+    val id: Long = 0L,
 
     @Column(name = "uid")
     val uid: Long,
diff --git a/src/main/kotlin/com/hero/alignlab/domain/user/domain/UserInfo.kt b/src/main/kotlin/com/hero/alignlab/domain/user/domain/UserInfo.kt
index b31e92c..b18b0e4 100644
--- a/src/main/kotlin/com/hero/alignlab/domain/user/domain/UserInfo.kt
+++ b/src/main/kotlin/com/hero/alignlab/domain/user/domain/UserInfo.kt
@@ -8,7 +8,7 @@ import jakarta.persistence.*
 class UserInfo(
     @Id
     @GeneratedValue(strategy = GenerationType.IDENTITY)
-    val id: Long = -1,
+    val id: Long = 0L,
 
     @Column(name = "nickname")
     var nickname: String,
diff --git a/src/main/kotlin/com/hero/alignlab/exception/ErrorCode.kt b/src/main/kotlin/com/hero/alignlab/exception/ErrorCode.kt
index 212bf4a..1ebe7ac 100644
--- a/src/main/kotlin/com/hero/alignlab/exception/ErrorCode.kt
+++ b/src/main/kotlin/com/hero/alignlab/exception/ErrorCode.kt
@@ -44,7 +44,10 @@ enum class ErrorCode(val status: HttpStatus, val description: String) {
     INVALID_JOIN_CODE_ERROR(HttpStatus.BAD_REQUEST, "비밀번호의 조건이 부합하지 않습니다."),
     NOT_CONTAINS_GROUP_USER_ERROR(HttpStatus.BAD_REQUEST, "그룹원이 아닙니다."),
     NOT_FOUND_GROUP_ID_ERROR(HttpStatus.NOT_FOUND, "group Id를 찾을 수 없습니다."),
+    NOT_FOUND_GROUP_TAG_ERROR(HttpStatus.NOT_FOUND, "그룹 태그 정보를 찾을 수 없습니다."),
     OVER_RANGE_GROUP_NAME_ERROR(HttpStatus.BAD_REQUEST, "그룹명은 16글자까지만 입력할 수 있습니다."),
+    OVER_COUNT_GROUP_TAG_ERROR(HttpStatus.BAD_REQUEST, "그룹 태그는 최대 3개까지 입력 가능합니다."),
+    DUPLICATE_GROUP_TAG_NAME_ERROR(HttpStatus.BAD_REQUEST, "중복된 태그명이 있습니다."),
 
     /** Group User Error Code */
     DUPLICATE_GROUP_JOIN_ERROR(HttpStatus.BAD_REQUEST, "한개의 그룹만 참여 가능합니다."),