diff --git a/src/main/java/tenten/blooming/domain/goal/config/OpenAIRestTemplateConfig.java b/src/main/java/tenten/blooming/domain/goal/config/OpenAIRestTemplateConfig.java
new file mode 100644
index 0000000..c7d3117
--- /dev/null
+++ b/src/main/java/tenten/blooming/domain/goal/config/OpenAIRestTemplateConfig.java
@@ -0,0 +1,25 @@
+package tenten.blooming.domain.goal.config;
+
+import org.springframework.beans.factory.annotation.Qualifier;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.context.annotation.Bean;
+import org.springframework.context.annotation.Configuration;
+import org.springframework.web.client.RestTemplate;
+
+@Configuration
+public class OpenAIRestTemplateConfig {
+
+    @Value("${openai.api.key}")
+    private String openaiApiKey;
+
+    @Bean
+    @Qualifier("openaiRestTemplate")
+    public RestTemplate openaiRestTemplate() {
+        RestTemplate restTemplate = new RestTemplate();
+        restTemplate.getInterceptors().add((request, body, execution) -> {
+            request.getHeaders().add("Authorization", "Bearer " + openaiApiKey);
+            return execution.execute(request, body);
+        });
+        return restTemplate;
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/tenten/blooming/domain/goal/controller/GoalController.java b/src/main/java/tenten/blooming/domain/goal/controller/GoalController.java
new file mode 100644
index 0000000..4e08529
--- /dev/null
+++ b/src/main/java/tenten/blooming/domain/goal/controller/GoalController.java
@@ -0,0 +1,63 @@
+package tenten.blooming.domain.goal.controller;
+import jakarta.persistence.Basic;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.beans.factory.annotation.Qualifier;
+import org.springframework.http.HttpStatus;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.*;
+import org.springframework.beans.factory.annotation.Value;
+import org.springframework.web.client.RestTemplate;
+import tenten.blooming.domain.goal.dto.ChatRequest;
+import tenten.blooming.domain.goal.dto.ChatResponse;
+import tenten.blooming.domain.goal.dto.GoalDto;
+import tenten.blooming.domain.goal.entity.Goal;
+import tenten.blooming.domain.goal.service.GoalService;
+import tenten.blooming.global.common.BasicResponse;
+
+@RestController
+public class GoalController {
+
+    @Qualifier("openaiRestTemplate")
+    @Autowired
+    private RestTemplate restTemplate;
+
+    @Autowired
+    private GoalService goalService;
+
+    @Value("${openai.model}")
+    private String model;
+
+    @Value("${openai.api.url}")
+    private String apiUrl;
+
+    @PostMapping("/goal")
+    public ResponseEntity<BasicResponse> createGoal(@RequestBody GoalDto dto) {
+        Goal created = goalService.create(dto);
+        BasicResponse basicResponse = new BasicResponse();
+
+        if (created != null) {
+            basicResponse = BasicResponse.builder()
+                    .code(HttpStatus.OK.value())
+                    .message("목표 등록에 성공했습니다.")
+                    .result(created)
+                    .build();
+
+        }
+
+        return new ResponseEntity<>(basicResponse, HttpStatus.OK);
+
+    }
+
+    @GetMapping("/goal")
+    public String getSubGoal(@RequestParam String goalName) {
+        ChatRequest request = new ChatRequest(model, goalName);
+
+        ChatResponse response = restTemplate.postForObject(apiUrl, request, ChatResponse.class);
+
+        if (response == null || response.getChoices() == null || response.getChoices().isEmpty()) {
+            return "No response";
+        }
+
+        return response.getChoices().get(0).getMessage().getContent();
+    }
+}
\ No newline at end of file
diff --git a/src/main/java/tenten/blooming/domain/goal/dto/ChatRequest.java b/src/main/java/tenten/blooming/domain/goal/dto/ChatRequest.java
new file mode 100644
index 0000000..99470ef
--- /dev/null
+++ b/src/main/java/tenten/blooming/domain/goal/dto/ChatRequest.java
@@ -0,0 +1,25 @@
+package tenten.blooming.domain.goal.dto;
+
+import lombok.*;
+
+import java.util.ArrayList;
+import java.util.List;
+
+@Data
+@Getter @Setter
+@NoArgsConstructor
+@AllArgsConstructor
+public class ChatRequest {
+    private String model;
+    private List<Message> messages;
+    private final int n = 1;
+    private double temperature;
+
+    public ChatRequest(String model, String goalName) {
+        this.model = model;
+        this.messages = new ArrayList<>();
+        this.messages.add(new Message("system", "입력 받은 큰 목표 G를 달성하기 위한 구체적인 6가지 세부 목표 g1, g2, g3, g4, g5, g6 을 알려 주는 assistant bot. 6가지 세부 목표는 10일동안 매일매일 꾸준히 실천하여 10일 뒤에 G를 달성할 수 있는 목표여야 함."));
+        this.messages.add(new Message("user", "G: " + goalName));
+    }
+
+}
diff --git a/src/main/java/tenten/blooming/domain/goal/dto/ChatResponse.java b/src/main/java/tenten/blooming/domain/goal/dto/ChatResponse.java
new file mode 100644
index 0000000..4f1a90b
--- /dev/null
+++ b/src/main/java/tenten/blooming/domain/goal/dto/ChatResponse.java
@@ -0,0 +1,23 @@
+package tenten.blooming.domain.goal.dto;
+
+
+import lombok.Data;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.Setter;
+
+import java.util.List;
+
+@Data
+@NoArgsConstructor
+@Getter @Setter
+public class ChatResponse {
+    private List<Choice> choices;
+
+    @Data
+    @NoArgsConstructor
+    public static class Choice {
+        private int idx;
+        private Message message;
+    }
+}
diff --git a/src/main/java/tenten/blooming/domain/goal/dto/GoalDto.java b/src/main/java/tenten/blooming/domain/goal/dto/GoalDto.java
new file mode 100644
index 0000000..a21af44
--- /dev/null
+++ b/src/main/java/tenten/blooming/domain/goal/dto/GoalDto.java
@@ -0,0 +1,27 @@
+package tenten.blooming.domain.goal.dto;
+
+import lombok.AllArgsConstructor;
+import lombok.Builder;
+import lombok.Data;
+import lombok.ToString;
+import tenten.blooming.domain.goal.entity.Goal;
+
+import java.time.LocalDate;
+
+@Data
+@AllArgsConstructor
+@Builder
+public class GoalDto {
+    private Long userId;
+    private String goalName;
+
+    public Goal toEntity() {
+        Goal goal = new Goal();
+
+        goal.setGoalName(goalName);
+        goal.setCreatedAt(LocalDate.now());
+        goal.setIsActivate(true);
+
+        return goal;
+    }
+}
diff --git a/src/main/java/tenten/blooming/domain/goal/dto/Message.java b/src/main/java/tenten/blooming/domain/goal/dto/Message.java
new file mode 100644
index 0000000..56d120d
--- /dev/null
+++ b/src/main/java/tenten/blooming/domain/goal/dto/Message.java
@@ -0,0 +1,12 @@
+package tenten.blooming.domain.goal.dto;
+
+import lombok.*;
+
+@Data
+@NoArgsConstructor
+@AllArgsConstructor
+@Getter @Setter
+public class Message {
+    private String role;
+    private String content;
+}
diff --git a/src/main/java/tenten/blooming/domain/goal/entity/Goal.java b/src/main/java/tenten/blooming/domain/goal/entity/Goal.java
new file mode 100644
index 0000000..903c046
--- /dev/null
+++ b/src/main/java/tenten/blooming/domain/goal/entity/Goal.java
@@ -0,0 +1,46 @@
+package tenten.blooming.domain.goal.entity;
+
+import jakarta.persistence.*;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.Setter;
+import org.springframework.data.annotation.CreatedDate;
+import tenten.blooming.domain.subgoal.entity.Subgoal;
+import tenten.blooming.domain.user.entity.User;
+
+import java.time.LocalDate;
+import java.util.ArrayList;
+import java.util.List;
+
+@AllArgsConstructor
+@NoArgsConstructor
+@Entity
+@Getter
+@Setter
+@Table(name = "goal")
+public class Goal {
+
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    @Column(name = "goal_id", nullable = false)
+    private Long goalId; // 기본키
+
+    @Column(name = "goal_name", nullable = false)
+    private String goalName;
+
+    @CreatedDate
+    @Column(name = "created_at", nullable = false, updatable = false)
+    private LocalDate createdAt;
+
+    @Column(name = "is_activate")
+    private Boolean isActivate;
+
+    @ManyToOne
+    @JoinColumn(name = "user_id")
+    private User user;
+
+    @OneToMany(mappedBy = "goal")
+    private List<Subgoal> subgoals = new ArrayList<>();
+
+}
diff --git a/src/main/java/tenten/blooming/domain/goal/repository/GoalRepository.java b/src/main/java/tenten/blooming/domain/goal/repository/GoalRepository.java
new file mode 100644
index 0000000..0c42e67
--- /dev/null
+++ b/src/main/java/tenten/blooming/domain/goal/repository/GoalRepository.java
@@ -0,0 +1,10 @@
+package tenten.blooming.domain.goal.repository;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+import tenten.blooming.domain.goal.entity.Goal;
+
+public interface GoalRepository extends JpaRepository<Goal, Long> {
+
+
+}
+
diff --git a/src/main/java/tenten/blooming/domain/goal/service/GoalService.java b/src/main/java/tenten/blooming/domain/goal/service/GoalService.java
new file mode 100644
index 0000000..2566aa6
--- /dev/null
+++ b/src/main/java/tenten/blooming/domain/goal/service/GoalService.java
@@ -0,0 +1,19 @@
+package tenten.blooming.domain.goal.service;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+import tenten.blooming.domain.goal.dto.GoalDto;
+import tenten.blooming.domain.goal.entity.Goal;
+import tenten.blooming.domain.goal.repository.GoalRepository;
+
+@Service
+public class GoalService {
+    @Autowired
+    private GoalRepository goalRepository;
+
+    public Goal create(GoalDto dto) {
+        Goal goal = dto.toEntity();
+
+        return goalRepository.save(goal);
+    }
+}
diff --git a/src/main/java/tenten/blooming/domain/subgoal/entity/Subgoal.java b/src/main/java/tenten/blooming/domain/subgoal/entity/Subgoal.java
new file mode 100644
index 0000000..fa59462
--- /dev/null
+++ b/src/main/java/tenten/blooming/domain/subgoal/entity/Subgoal.java
@@ -0,0 +1,42 @@
+package tenten.blooming.domain.subgoal.entity;
+
+import jakarta.persistence.*;
+import lombok.AllArgsConstructor;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+import lombok.Setter;
+import tenten.blooming.domain.goal.entity.Goal;
+
+import java.time.LocalDate;
+
+@AllArgsConstructor
+@NoArgsConstructor
+@Entity
+@Getter
+@Setter
+@Table(name = "subgoal")
+public class Subgoal {
+    @Id
+    @GeneratedValue(strategy = GenerationType.IDENTITY)
+    @Column(name = "subgoal_id", nullable = false)
+    private Long subgoalId; // 기본키
+
+    @Column(name = "subgoal_name", nullable = false)
+    private String subgoalName;
+
+    private LocalDate doneDate1;
+    private LocalDate doneDate2;
+    private LocalDate doneDate3;
+    private LocalDate doneDate4;
+    private LocalDate doneDate5;
+    private LocalDate doneDate6;
+    private LocalDate doneDate7;
+    private LocalDate doneDate8;
+    private LocalDate doneDate9;
+    private LocalDate doneDate10;
+
+    @ManyToOne
+    @JoinColumn(name = "goal_id")
+    private Goal goal;
+
+}
diff --git a/src/main/java/tenten/blooming/domain/user/entity/User.java b/src/main/java/tenten/blooming/domain/user/entity/User.java
index 8b3241b..d28d364 100644
--- a/src/main/java/tenten/blooming/domain/user/entity/User.java
+++ b/src/main/java/tenten/blooming/domain/user/entity/User.java
@@ -3,8 +3,11 @@
 import jakarta.persistence.*;
 import lombok.*;
 import org.hibernate.annotations.CreationTimestamp;
+import tenten.blooming.domain.goal.entity.Goal;
 
 import java.sql.Timestamp;
+import java.util.ArrayList;
+import java.util.List;
 
 @AllArgsConstructor
 @NoArgsConstructor
@@ -33,4 +36,6 @@ public class User {
     @Column(name = "created_at", nullable = false, updatable = false)
     private Timestamp createdAt;
 
+    @OneToMany(mappedBy = "user")
+    private List<Goal> goals = new ArrayList<>();
 }
diff --git a/src/main/resources/application.yml b/src/main/resources/application.yml
index 9a03a39..ac1d265 100644
--- a/src/main/resources/application.yml
+++ b/src/main/resources/application.yml
@@ -15,4 +15,8 @@ spring:
     properties:
       hibernate:
         format_sql: true
-
+openai:
+  model: ${OPENAI_MODEL}
+  api:
+    url: https://api.openai.com/v1/chat/completions
+    key: ${OPENAI_KEY}
\ No newline at end of file