diff --git a/src/main/java/idorm/idormServer/calendar/controller/TeamCalendarController.java b/src/main/java/idorm/idormServer/calendar/controller/TeamCalendarController.java
index 9c387450..7061ade6 100644
--- a/src/main/java/idorm/idormServer/calendar/controller/TeamCalendarController.java
+++ b/src/main/java/idorm/idormServer/calendar/controller/TeamCalendarController.java
@@ -35,6 +35,7 @@
 import java.util.List;
 import java.util.stream.Collectors;
 
+import static idorm.idormServer.config.SecurityConfiguration.AUTHENTICATION_HEADER_NAME;
 import static idorm.idormServer.exception.ExceptionCode.TEAMCALENDAR_NOT_FOUND;
 
 @Api(tags = "공유 캘린더_일정 관리")
@@ -70,7 +71,7 @@ public ResponseEntity<DefaultResponseDto<Object>> createTeamCalender(
             @RequestBody @Valid TeamCalendarSaveRequestDto request
     ) {
 
-        long memberId = Long.parseLong(jwtTokenProvider.getUsername(servletRequest.getHeader("X-AUTH-TOKEN")));
+        long memberId = Long.parseLong(jwtTokenProvider.getUsername(servletRequest.getHeader(AUTHENTICATION_HEADER_NAME)));
         Member member = memberService.findById(memberId);
         Team team = teamService.findByMember(member);
 
@@ -122,7 +123,7 @@ public ResponseEntity<DefaultResponseDto<Object>> createSleepoverCalender(
             @RequestBody @Valid SleepoverCalendarDefaultRequestDto request
     ) {
 
-        long memberId = Long.parseLong(jwtTokenProvider.getUsername(servletRequest.getHeader("X-AUTH-TOKEN")));
+        long memberId = Long.parseLong(jwtTokenProvider.getUsername(servletRequest.getHeader(AUTHENTICATION_HEADER_NAME)));
         Member member = memberService.findById(memberId);
         Team team = teamService.findByMember(member);
 
@@ -176,7 +177,7 @@ public ResponseEntity<DefaultResponseDto<Object>> updateSleepoverCalender(
             @RequestBody @Valid SleepoverCalendarUpdateRequestDto request
     ) {
 
-        long memberId = Long.parseLong(jwtTokenProvider.getUsername(servletRequest.getHeader("X-AUTH-TOKEN")));
+        long memberId = Long.parseLong(jwtTokenProvider.getUsername(servletRequest.getHeader(AUTHENTICATION_HEADER_NAME)));
         Member member = memberService.findById(memberId);
         Team team = teamService.findByMember(member);
 
@@ -232,7 +233,7 @@ public ResponseEntity<DefaultResponseDto<Object>> updateTeamCalender(
             @RequestBody @Valid TeamCalendarUpdateRequestDto request
     ) {
 
-        long memberId = Long.parseLong(jwtTokenProvider.getUsername(servletRequest.getHeader("X-AUTH-TOKEN")));
+        long memberId = Long.parseLong(jwtTokenProvider.getUsername(servletRequest.getHeader(AUTHENTICATION_HEADER_NAME)));
         Member member = memberService.findById(memberId);
         Team team = teamService.findByMember(member);
 
@@ -290,7 +291,7 @@ public ResponseEntity<DefaultResponseDto<Object>> deleteTeamCalender(
             Long teamCalendarId
     ) {
 
-        long memberId = Long.parseLong(jwtTokenProvider.getUsername(servletRequest.getHeader("X-AUTH-TOKEN")));
+        long memberId = Long.parseLong(jwtTokenProvider.getUsername(servletRequest.getHeader(AUTHENTICATION_HEADER_NAME)));
         Member member = memberService.findById(memberId);
         Team team = teamService.findByMember(member);
 
@@ -334,7 +335,8 @@ public ResponseEntity<DefaultResponseDto<Object>> findTeamCalender(
             Long teamCalendarId
     ) {
 
-        long memberId = Long.parseLong(jwtTokenProvider.getUsername(servletRequest.getHeader("X-AUTH-TOKEN")));
+        long memberId = Long.parseLong(jwtTokenProvider.getUsername(servletRequest.getHeader(AUTHENTICATION_HEADER_NAME
+        )));
         Member member = memberService.findById(memberId);
 
         Team team = teamService.findByMember(member);
@@ -383,7 +385,7 @@ public ResponseEntity<DefaultResponseDto<Object>> findTeamCalenders(
             @RequestBody @Valid CalendarFindManyRequestDto request
     ) {
 
-        long memberId = Long.parseLong(jwtTokenProvider.getUsername(servletRequest.getHeader("X-AUTH-TOKEN")));
+        long memberId = Long.parseLong(jwtTokenProvider.getUsername(servletRequest.getHeader(AUTHENTICATION_HEADER_NAME)));
         Member member = memberService.findById(memberId);
         Team team = teamService.findByMember(member);
 
@@ -436,7 +438,7 @@ public ResponseEntity<DefaultResponseDto<Object>> findTeamSleepoverCalenders(
             @RequestBody @Valid SleepoverCalendarFindManyRequestDto request
     ) {
 
-        long memberId = Long.parseLong(jwtTokenProvider.getUsername(servletRequest.getHeader("X-AUTH-TOKEN")));
+        long memberId = Long.parseLong(jwtTokenProvider.getUsername(servletRequest.getHeader(AUTHENTICATION_HEADER_NAME)));
         Member member = memberService.findById(memberId);
         Member searchMember = memberService.findById(request.getMemberId());
 
diff --git a/src/main/java/idorm/idormServer/calendar/controller/TeamController.java b/src/main/java/idorm/idormServer/calendar/controller/TeamController.java
index 1b5dc8f1..ccbc683e 100644
--- a/src/main/java/idorm/idormServer/calendar/controller/TeamController.java
+++ b/src/main/java/idorm/idormServer/calendar/controller/TeamController.java
@@ -29,6 +29,8 @@
 import java.util.List;
 import java.util.stream.Collectors;
 
+import static idorm.idormServer.config.SecurityConfiguration.AUTHENTICATION_HEADER_NAME;
+
 @Api(tags = "공유 캘린더_팀 관리")
 @Validated
 @RestController
@@ -66,7 +68,7 @@ public ResponseEntity<DefaultResponseDto<Object>> addTeamMember(
             Long registerMemberId
     ) {
 
-        long memberId = Long.parseLong(jwtTokenProvider.getUsername(servletRequest.getHeader("X-AUTH-TOKEN")));
+        long memberId = Long.parseLong(jwtTokenProvider.getUsername(servletRequest.getHeader(AUTHENTICATION_HEADER_NAME)));
         Member member = memberService.findById(memberId);
         Member registerMember = memberService.findById(registerMemberId);
 
@@ -111,7 +113,7 @@ public ResponseEntity<DefaultResponseDto<Object>> deleteTeamMember(
             Long memberId
     ) {
 
-        long loginMemberId = Long.parseLong(jwtTokenProvider.getUsername(servletRequest.getHeader("X-AUTH-TOKEN")));
+        long loginMemberId = Long.parseLong(jwtTokenProvider.getUsername(servletRequest.getHeader(AUTHENTICATION_HEADER_NAME)));
         Member loginMember = memberService.findById(loginMemberId);
         Member deleteMember = memberService.findById(memberId);
 
@@ -149,7 +151,7 @@ public ResponseEntity<DefaultResponseDto<Object>> deleteTeamMember(
     public ResponseEntity<DefaultResponseDto<Object>> findTeamMembers(
             HttpServletRequest servletRequest
     ) {
-        long memberId = Long.parseLong(jwtTokenProvider.getUsername(servletRequest.getHeader("X-AUTH-TOKEN")));
+        long memberId = Long.parseLong(jwtTokenProvider.getUsername(servletRequest.getHeader(AUTHENTICATION_HEADER_NAME)));
         Member member = memberService.findById(memberId);
         Team team = teamService.findByMemberOptional(member);
 
@@ -202,7 +204,7 @@ public ResponseEntity<DefaultResponseDto<Object>> findTeamMembers(
     public ResponseEntity<DefaultResponseDto<Object>> isConfirmTeamExploded(
             HttpServletRequest servletRequest
     ) {
-        long memberId = Long.parseLong(jwtTokenProvider.getUsername(servletRequest.getHeader("X-AUTH-TOKEN")));
+        long memberId = Long.parseLong(jwtTokenProvider.getUsername(servletRequest.getHeader(AUTHENTICATION_HEADER_NAME)));
         Member member = memberService.findById(memberId);
         Team team = teamService.findByMemberOptional(member);
 
diff --git a/src/main/java/idorm/idormServer/community/controller/CommunityController.java b/src/main/java/idorm/idormServer/community/controller/CommunityController.java
index bf1fde89..9edb921e 100644
--- a/src/main/java/idorm/idormServer/community/controller/CommunityController.java
+++ b/src/main/java/idorm/idormServer/community/controller/CommunityController.java
@@ -48,6 +48,7 @@
 import java.util.Optional;
 import java.util.stream.Collectors;
 
+import static idorm.idormServer.config.SecurityConfiguration.AUTHENTICATION_HEADER_NAME;
 import static idorm.idormServer.exception.ExceptionCode.*;
 
 @Api(tags = "커뮤니티")
@@ -87,7 +88,7 @@ public ResponseEntity<DefaultResponseDto<Object>> findPostsFilteredByCategory(
             @PathVariable(value = "dormitory-category") String dormCategoryRequest,
             @RequestParam(value = "page") int pageNum
     ) {
-        long loginMemberId = Long.parseLong(jwtTokenProvider.getUsername(servletRequest.getHeader("X-AUTH-TOKEN")));
+        long loginMemberId = Long.parseLong(jwtTokenProvider.getUsername(servletRequest.getHeader(AUTHENTICATION_HEADER_NAME)));
         memberService.findById(loginMemberId);
         
         DormCategory dormCategory = DormCategory.validateType(dormCategoryRequest);
@@ -125,7 +126,7 @@ public ResponseEntity<DefaultResponseDto<Object>> findTopPostsFilteredByCategory
             HttpServletRequest servletRequest,
             @PathVariable("dormitory-category") String dormCategoryRequest
     ) {
-        long loginMemberId = Long.parseLong(jwtTokenProvider.getUsername(servletRequest.getHeader("X-AUTH-TOKEN")));
+        long loginMemberId = Long.parseLong(jwtTokenProvider.getUsername(servletRequest.getHeader(AUTHENTICATION_HEADER_NAME)));
         memberService.findById(loginMemberId);
         
         DormCategory dormCategory = DormCategory.validateType(dormCategoryRequest);
@@ -166,7 +167,7 @@ public ResponseEntity<DefaultResponseDto<Object>> findOnePost(
             @Positive(message = "게시글 식별자는 양수만 가능합니다.")
                 Long postId
     ) {
-        long loginMemberId = Long.parseLong(jwtTokenProvider.getUsername(servletRequest.getHeader("X-AUTH-TOKEN")));
+        long loginMemberId = Long.parseLong(jwtTokenProvider.getUsername(servletRequest.getHeader(AUTHENTICATION_HEADER_NAME)));
         Member member = memberService.findById(loginMemberId);
         Post foundPost = postService.findById(postId);
 
@@ -253,7 +254,7 @@ public ResponseEntity<DefaultResponseDto<Object>> savePost(
             HttpServletRequest servletRequest,
             @ModelAttribute PostSaveRequestDto request
     ) {
-        long loginMemberId = Long.parseLong(jwtTokenProvider.getUsername(servletRequest.getHeader("X-AUTH-TOKEN")));
+        long loginMemberId = Long.parseLong(jwtTokenProvider.getUsername(servletRequest.getHeader(AUTHENTICATION_HEADER_NAME)));
         Member member = memberService.findById(loginMemberId);
 
         postService.validatePostRequest(request.getTitle(), request.getContent(), request.getIsAnonymous());
@@ -304,7 +305,7 @@ public ResponseEntity<DefaultResponseDto<Object>> updatePost(
                 Long postId,
             @ModelAttribute PostUpdateRequestDto request
     ) {
-        long loginMemberId = Long.parseLong(jwtTokenProvider.getUsername(servletRequest.getHeader("X-AUTH-TOKEN")));
+        long loginMemberId = Long.parseLong(jwtTokenProvider.getUsername(servletRequest.getHeader(AUTHENTICATION_HEADER_NAME)));
         Member member = memberService.findById(loginMemberId);
         Post post = postService.findById(postId);
 
@@ -348,7 +349,7 @@ public ResponseEntity<DefaultResponseDto<Object>> findPostsByMember(
             HttpServletRequest servletRequest
     ) {
 
-        long loginMemberId = Long.parseLong(jwtTokenProvider.getUsername(servletRequest.getHeader("X-AUTH-TOKEN")));
+        long loginMemberId = Long.parseLong(jwtTokenProvider.getUsername(servletRequest.getHeader(AUTHENTICATION_HEADER_NAME)));
         Member member = memberService.findById(loginMemberId);
         List<Post> posts = postService.findPostsByMember(member);
 
@@ -380,7 +381,7 @@ public ResponseEntity<DefaultResponseDto<Object>> findPostsByMember(
     public ResponseEntity<DefaultResponseDto<Object>> findLikedPostsByMember(
             HttpServletRequest servletRequest
     ) {
-        long loginMemberId = Long.parseLong(jwtTokenProvider.getUsername(servletRequest.getHeader("X-AUTH-TOKEN")));
+        long loginMemberId = Long.parseLong(jwtTokenProvider.getUsername(servletRequest.getHeader(AUTHENTICATION_HEADER_NAME)));
         memberService.findById(loginMemberId);
 
         List<Long> likedPostIds = postLikedMemberService.findAllLikedPostIdByMemberId(loginMemberId);
@@ -427,7 +428,7 @@ public ResponseEntity<DefaultResponseDto<Object>> savePostLikes(
             @Positive(message = "게시글 식별자는 양수만 가능합니다.")
                 Long postId
     ) {
-        long loginMemberId = Long.parseLong(jwtTokenProvider.getUsername(servletRequest.getHeader("X-AUTH-TOKEN")));
+        long loginMemberId = Long.parseLong(jwtTokenProvider.getUsername(servletRequest.getHeader(AUTHENTICATION_HEADER_NAME)));
         Member member = memberService.findById(loginMemberId);
         Post post = postService.findById(postId);
 
@@ -472,7 +473,7 @@ public ResponseEntity<DefaultResponseDto<Object>> deletePostLikes(
             @Positive(message = "게시글 식별자는 양수만 가능합니다.")
                 Long postId
     ) {
-        long loginMemberId = Long.parseLong(jwtTokenProvider.getUsername(servletRequest.getHeader("X-AUTH-TOKEN")));
+        long loginMemberId = Long.parseLong(jwtTokenProvider.getUsername(servletRequest.getHeader(AUTHENTICATION_HEADER_NAME)));
         Member member = memberService.findById(loginMemberId);
         Post post = postService.findById(postId);
 
@@ -510,7 +511,7 @@ public ResponseEntity<DefaultResponseDto<Object>> deletePost(
             @Positive(message = "게시글 식별자는 양수만 가능합니다.")
                 Long postId
     ) {
-        long loginMemberId = Long.parseLong(jwtTokenProvider.getUsername(servletRequest.getHeader("X-AUTH-TOKEN")));
+        long loginMemberId = Long.parseLong(jwtTokenProvider.getUsername(servletRequest.getHeader(AUTHENTICATION_HEADER_NAME)));
         Member member = memberService.findById(loginMemberId);
 
         Post post = postService.findById(postId);
@@ -559,7 +560,7 @@ public ResponseEntity<DefaultResponseDto<Object>> saveComment (
                 Long postId,
             @RequestBody @Valid CommentDefaultRequestDto request
     ) {
-        long loginMemberId = Long.parseLong(jwtTokenProvider.getUsername(servletRequest.getHeader("X-AUTH-TOKEN")));
+        long loginMemberId = Long.parseLong(jwtTokenProvider.getUsername(servletRequest.getHeader(AUTHENTICATION_HEADER_NAME)));
         Member member = memberService.findById(loginMemberId);
 
         Post post = postService.findById(postId);
@@ -664,7 +665,7 @@ public ResponseEntity<DefaultResponseDto<Object>> deleteComment(
             @Positive(message = "댓글 식별자는 양수만 가능합니다.")
                 Long commentId
     ) {
-        long loginMemberId = Long.parseLong(jwtTokenProvider.getUsername(servletRequest.getHeader("X-AUTH-TOKEN")));
+        long loginMemberId = Long.parseLong(jwtTokenProvider.getUsername(servletRequest.getHeader(AUTHENTICATION_HEADER_NAME)));
         Member member = memberService.findById(loginMemberId);
 
         Post post = postService.findById(postId);
@@ -698,7 +699,7 @@ public ResponseEntity<DefaultResponseDto<Object>> deleteComment(
     public ResponseEntity<DefaultResponseDto<Object>> findCommentsByMember(
             HttpServletRequest servletRequest
     ) {
-        long loginMemberId = Long.parseLong(jwtTokenProvider.getUsername(servletRequest.getHeader("X-AUTH-TOKEN")));
+        long loginMemberId = Long.parseLong(jwtTokenProvider.getUsername(servletRequest.getHeader(AUTHENTICATION_HEADER_NAME)));
         Member member = memberService.findById(loginMemberId);
 
         List<Comment> foundComments = commentService.findCommentsByMember(member);
diff --git a/src/main/java/idorm/idormServer/config/SecurityConfiguration.java b/src/main/java/idorm/idormServer/config/SecurityConfiguration.java
index 3da69ebe..bb404f2e 100644
--- a/src/main/java/idorm/idormServer/config/SecurityConfiguration.java
+++ b/src/main/java/idorm/idormServer/config/SecurityConfiguration.java
@@ -19,7 +19,7 @@
 @EnableWebSecurity
 public class SecurityConfiguration extends WebSecurityConfigurerAdapter  {
 
-    public static final String AUTHENTICATION_HEADER_NAME = "authorization";
+    public static final String AUTHENTICATION_HEADER_NAME = "X-AUTH-TOKEN";
     public static final String AUTHENTICATION_URL = "/api/auth";
     public static final String API_ROOT_URL_V1 = "/api/v1";
 
diff --git a/src/main/java/idorm/idormServer/matching/controller/MatchingController.java b/src/main/java/idorm/idormServer/matching/controller/MatchingController.java
index 3cb5b4a1..a3b6782b 100644
--- a/src/main/java/idorm/idormServer/matching/controller/MatchingController.java
+++ b/src/main/java/idorm/idormServer/matching/controller/MatchingController.java
@@ -29,6 +29,7 @@
 import java.util.ArrayList;
 import java.util.List;
 
+import static idorm.idormServer.config.SecurityConfiguration.AUTHENTICATION_HEADER_NAME;
 import static idorm.idormServer.exception.ExceptionCode.*;
 
 @Api(tags = "매칭")
@@ -60,7 +61,7 @@ public ResponseEntity<DefaultResponseDto<Object>> findLikedMatchingMembers(
             HttpServletRequest servletRequest
     ) {
 
-        long memberId = Long.parseLong(jwtTokenProvider.getUsername(servletRequest.getHeader("X-AUTH-TOKEN")));
+        long memberId = Long.parseLong(jwtTokenProvider.getUsername(servletRequest.getHeader(AUTHENTICATION_HEADER_NAME)));
         Member member = memberService.findById(memberId);
 
         List<Member> likedMembers = matchingService.findLikedMembers(member);
@@ -98,7 +99,7 @@ public ResponseEntity<DefaultResponseDto<Object>> findDislikedMatchingMembers(
             HttpServletRequest servletRequest
     ) {
 
-        long loginMemberId = Long.parseLong(jwtTokenProvider.getUsername(servletRequest.getHeader("X-AUTH-TOKEN")));
+        long loginMemberId = Long.parseLong(jwtTokenProvider.getUsername(servletRequest.getHeader(AUTHENTICATION_HEADER_NAME)));
         Member loginMember = memberService.findById(loginMemberId);
 
         List<Member> dislikedMembers = matchingService.findDislikedMembers(loginMember);
@@ -147,7 +148,7 @@ public ResponseEntity<DefaultResponseDto<Object>> addMatchingMember(
                     Long selectedMemberId
     ) {
 
-        long loginMemberId = Long.parseLong(jwtTokenProvider.getUsername(servletRequest.getHeader("X-AUTH-TOKEN")));
+        long loginMemberId = Long.parseLong(jwtTokenProvider.getUsername(servletRequest.getHeader(AUTHENTICATION_HEADER_NAME)));
         Member loginMember = memberService.findById(loginMemberId);
         Member selectedMember = memberService.findById(selectedMemberId);
 
@@ -208,7 +209,7 @@ public ResponseEntity<DefaultResponseDto<Object>> deleteMatchingMember(
                     Long selectedMemberId
     ) {
 
-        long loginMemberId = Long.parseLong(jwtTokenProvider.getUsername(request.getHeader("X-AUTH-TOKEN")));
+        long loginMemberId = Long.parseLong(jwtTokenProvider.getUsername(request.getHeader(AUTHENTICATION_HEADER_NAME)));
         Member loginMember = memberService.findById(loginMemberId);
 
         if (matchingType == true) {
@@ -250,7 +251,7 @@ public ResponseEntity<DefaultResponseDto<Object>> findMatchingMembers(
             HttpServletRequest servletRequest
     ) {
 
-        long loginMemberId = Long.parseLong(jwtTokenProvider.getUsername(servletRequest.getHeader("X-AUTH-TOKEN")));
+        long loginMemberId = Long.parseLong(jwtTokenProvider.getUsername(servletRequest.getHeader(AUTHENTICATION_HEADER_NAME)));
         Member loginMember = memberService.findById(loginMemberId);
 
         matchingInfoService.findByMemberId(loginMemberId);
@@ -295,7 +296,7 @@ public ResponseEntity<DefaultResponseDto<Object>> findFilteredMatchingMembers(
             @RequestBody @Valid MatchingFilteredMatchingInfoRequestDto request
     ) {
 
-        long loginMemberId = Long.parseLong(jwtTokenProvider.getUsername(servletRequest.getHeader("X-AUTH-TOKEN")));
+        long loginMemberId = Long.parseLong(jwtTokenProvider.getUsername(servletRequest.getHeader(AUTHENTICATION_HEADER_NAME)));
         Member loginMember = memberService.findById(loginMemberId);
         matchingInfoService.findByMemberId(loginMemberId);
         matchingInfoService.validateMatchingInfoIsPublic(loginMember);
diff --git a/src/main/java/idorm/idormServer/matchingInfo/controller/MatchingInfoController.java b/src/main/java/idorm/idormServer/matchingInfo/controller/MatchingInfoController.java
index a740ff38..5f63bc1a 100644
--- a/src/main/java/idorm/idormServer/matchingInfo/controller/MatchingInfoController.java
+++ b/src/main/java/idorm/idormServer/matchingInfo/controller/MatchingInfoController.java
@@ -27,6 +27,7 @@
 import javax.servlet.http.HttpServletRequest;
 import javax.validation.Valid;
 
+import static idorm.idormServer.config.SecurityConfiguration.AUTHENTICATION_HEADER_NAME;
 import static idorm.idormServer.exception.ExceptionCode.*;
 
 @Api(tags = "온보딩 매칭 정보")
@@ -60,7 +61,7 @@ public ResponseEntity<DefaultResponseDto<Object>> save(
             HttpServletRequest servletRequest,
             @RequestBody @Valid MatchingInfoDefaultRequestDto request) {
 
-        long memberId = Long.parseLong(jwtTokenProvider.getUsername(servletRequest.getHeader("X-AUTH-TOKEN")));
+        long memberId = Long.parseLong(jwtTokenProvider.getUsername(servletRequest.getHeader(AUTHENTICATION_HEADER_NAME)));
         Member member = memberService.findById(memberId);
 
         matchingInfoService.validateMBTI(request.getMbti().toUpperCase());
@@ -102,7 +103,7 @@ public ResponseEntity<DefaultResponseDto<Object>> updateMatchingInfo(
             HttpServletRequest servletRequest,
             @RequestBody @Valid MatchingInfoDefaultRequestDto request) {
 
-        long loginMemberId = Long.parseLong(jwtTokenProvider.getUsername(servletRequest.getHeader("X-AUTH-TOKEN")));
+        long loginMemberId = Long.parseLong(jwtTokenProvider.getUsername(servletRequest.getHeader(AUTHENTICATION_HEADER_NAME)));
         Member member = memberService.findById(loginMemberId);
 
         matchingInfoService.validateMBTI(request.getMbti().toUpperCase());
@@ -142,7 +143,7 @@ public ResponseEntity<DefaultResponseDto<Object>> updateisMatchingInfoPublic(
             HttpServletRequest servletRequest,
             MatchingInfoUpdateIsPublicRequestDto request) {
 
-        long memberId = Long.parseLong(jwtTokenProvider.getUsername(servletRequest.getHeader("X-AUTH-TOKEN")));
+        long memberId = Long.parseLong(jwtTokenProvider.getUsername(servletRequest.getHeader(AUTHENTICATION_HEADER_NAME)));
         Member member = memberService.findById(memberId);
 
         if(member.getMatchingInfo() == null) {
@@ -176,7 +177,7 @@ public ResponseEntity<DefaultResponseDto<Object>> updateisMatchingInfoPublic(
     public ResponseEntity<DefaultResponseDto<Object>> findMatchingInfo(
             HttpServletRequest servletRequest) {
 
-        long memberId = Long.parseLong(jwtTokenProvider.getUsername(servletRequest.getHeader("X-AUTH-TOKEN")));
+        long memberId = Long.parseLong(jwtTokenProvider.getUsername(servletRequest.getHeader(AUTHENTICATION_HEADER_NAME)));
         Member member = memberService.findById(memberId);
 
         if(member.getMatchingInfo() == null) { // 등록된 매칭정보가 없다면
@@ -211,7 +212,7 @@ public ResponseEntity<DefaultResponseDto<Object>> findMatchingInfo(
     })
     public ResponseEntity<DefaultResponseDto<Object>> deleteMatchingInfo(HttpServletRequest request2) {
 
-        long loginMemberId = Long.parseLong(jwtTokenProvider.getUsername(request2.getHeader("X-AUTH-TOKEN")));
+        long loginMemberId = Long.parseLong(jwtTokenProvider.getUsername(request2.getHeader(AUTHENTICATION_HEADER_NAME)));
         Member member = memberService.findById(loginMemberId);
 
         if(member.getMatchingInfo() == null) { // 등록된 매칭정보가 없는 경우
diff --git a/src/main/java/idorm/idormServer/member/controller/MemberController.java b/src/main/java/idorm/idormServer/member/controller/MemberController.java
index a9fbeb22..14d89e8c 100644
--- a/src/main/java/idorm/idormServer/member/controller/MemberController.java
+++ b/src/main/java/idorm/idormServer/member/controller/MemberController.java
@@ -32,6 +32,7 @@
 import static idorm.idormServer.config.SecurityConfiguration.API_ROOT_URL_V1;
 import static idorm.idormServer.config.SecurityConfiguration.AUTHENTICATION_HEADER_NAME;
 import static idorm.idormServer.exception.ExceptionCode.*;
+import static org.springframework.http.HttpHeaders.AUTHORIZATION;
 
 @Api(tags = "회원")
 @Validated
@@ -63,7 +64,7 @@ public class MemberController {
     public ResponseEntity<DefaultResponseDto<Object>> findOneMember(
             HttpServletRequest servletRequest
     ) {
-        long loginMemberId = Long.parseLong(jwtTokenProvider.getUsername(servletRequest.getHeader("X-AUTH-TOKEN")));
+        long loginMemberId = Long.parseLong(jwtTokenProvider.getUsername(servletRequest.getHeader(AUTHENTICATION_HEADER_NAME)));
         Member member = memberService.findById(loginMemberId);
 
         MemberDefaultResponseDto response = new MemberDefaultResponseDto(member);
@@ -145,7 +146,7 @@ public ResponseEntity<DefaultResponseDto<Object>> saveMemberPhoto(
             HttpServletRequest servletRequest,
             @RequestPart(value = "file", required = false) MultipartFile file) {
 
-        long memberId = Long.parseLong(jwtTokenProvider.getUsername(servletRequest.getHeader("X-AUTH-TOKEN")));
+        long memberId = Long.parseLong(jwtTokenProvider.getUsername(servletRequest.getHeader(AUTHENTICATION_HEADER_NAME)));
         Member member = memberService.findById(memberId);
 
         photoService.validateFileExistence(file);
@@ -178,7 +179,7 @@ public ResponseEntity<DefaultResponseDto<Object>> saveMemberPhoto(
     public ResponseEntity<DefaultResponseDto<Object>> deleteMemberPhoto(
             HttpServletRequest servletRequest) {
 
-        long memberId = Long.parseLong(jwtTokenProvider.getUsername(servletRequest.getHeader("X-AUTH-TOKEN")));
+        long memberId = Long.parseLong(jwtTokenProvider.getUsername(servletRequest.getHeader(AUTHENTICATION_HEADER_NAME)));
         Member member = memberService.findById(memberId);
 
         memberPhotoService.validateMemberPhotoIsExistence(member);
@@ -251,7 +252,7 @@ public ResponseEntity<DefaultResponseDto<Object>> updateMemberNickname(
             HttpServletRequest servletRequest,
             @RequestBody @Valid MemberUpdateNicknameRequestDto request) {
 
-        long memberId = Long.parseLong(jwtTokenProvider.getUsername(servletRequest.getHeader("X-AUTH-TOKEN")));
+        long memberId = Long.parseLong(jwtTokenProvider.getUsername(servletRequest.getHeader(AUTHENTICATION_HEADER_NAME)));
         Member member = memberService.findById(memberId);
 
         memberService.validateUpdateNicknameIsChanged(member, request.getNickname());
@@ -283,7 +284,7 @@ public ResponseEntity<DefaultResponseDto<Object>> updateMemberNickname(
     public ResponseEntity<DefaultResponseDto<Object>> deleteMember(
             HttpServletRequest servletRequest
     ) {
-        long memberId = Long.parseLong(jwtTokenProvider.getUsername(servletRequest.getHeader("X-AUTH-TOKEN")));
+        long memberId = Long.parseLong(jwtTokenProvider.getUsername(servletRequest.getHeader(AUTHENTICATION_HEADER_NAME)));
         Member member = memberService.findById(memberId);
 
         memberServiceFacade.deleteMember(member);
@@ -328,7 +329,7 @@ public ResponseEntity<DefaultResponseDto<Object>> login(
         MemberDefaultResponseDto response = new MemberDefaultResponseDto(member);
 
         return ResponseEntity.status(200)
-                .header(AUTHENTICATION_HEADER_NAME, token)
+                .header(AUTHORIZATION, token)
                 .body(DefaultResponseDto.builder()
                         .responseCode("MEMBER_LOGIN")
                         .responseMessage("회원 로그인 완료")
@@ -358,7 +359,7 @@ public ResponseEntity<DefaultResponseDto<Object>> updateFcmToken(
             HttpServletRequest request,
             @RequestHeader("fcm-token") String fcmToken) {
 
-        long loginMemberId = Long.parseLong(jwtTokenProvider.getUsername(request.getHeader("X-AUTH-TOKEN")));
+        long loginMemberId = Long.parseLong(jwtTokenProvider.getUsername(request.getHeader(AUTHENTICATION_HEADER_NAME)));
         Member member = memberService.findById(loginMemberId);
 
         memberService.updateFcmToken(member, fcmToken);
@@ -388,7 +389,7 @@ public ResponseEntity<DefaultResponseDto<Object>> updateFcmToken(
     public ResponseEntity<DefaultResponseDto<Object>> logout(
             HttpServletRequest request) {
 
-        long loginMemberId = Long.parseLong(jwtTokenProvider.getUsername(request.getHeader("X-AUTH-TOKEN")));
+        long loginMemberId = Long.parseLong(jwtTokenProvider.getUsername(request.getHeader(AUTHENTICATION_HEADER_NAME)));
         Member member = memberService.findById(loginMemberId);
 
         memberService.deleteFcmToken(member);
diff --git a/src/main/java/idorm/idormServer/report/controller/ReportController.java b/src/main/java/idorm/idormServer/report/controller/ReportController.java
index bd694312..6442739d 100644
--- a/src/main/java/idorm/idormServer/report/controller/ReportController.java
+++ b/src/main/java/idorm/idormServer/report/controller/ReportController.java
@@ -27,6 +27,8 @@
 import javax.servlet.http.HttpServletRequest;
 import javax.validation.Valid;
 
+import static idorm.idormServer.config.SecurityConfiguration.AUTHENTICATION_HEADER_NAME;
+
 @Api(tags = "신고")
 @Validated
 @RestController
@@ -59,7 +61,7 @@ public ResponseEntity<DefaultResponseDto<Object>> reportMemberOrPostOrComment(
             @RequestBody @Valid ReportDefaultRequestDto request) {
 
         long loginMemberId =
-                Long.parseLong(jwtTokenProvider.getUsername(servletRequest.getHeader("X-AUTH-TOKEN")));
+                Long.parseLong(jwtTokenProvider.getUsername(servletRequest.getHeader(AUTHENTICATION_HEADER_NAME)));
         Member member = memberService.findById(loginMemberId);
 
         ReportType reportType = ReportType.validateType(request.getReportType());