diff --git a/src/main/java/wowmarket/wow_server/detail/project/controller/ProjectController.java b/src/main/java/wowmarket/wow_server/detail/project/controller/ProjectController.java
index 37ed0c0..3075a83 100644
--- a/src/main/java/wowmarket/wow_server/detail/project/controller/ProjectController.java
+++ b/src/main/java/wowmarket/wow_server/detail/project/controller/ProjectController.java
@@ -23,8 +23,8 @@ public class ProjectController {
 
     //주문폼: 상세 정보 조회
     @GetMapping("/{project_id}")
-    public ProjectInfoResponseDto getProjectInfo(@PathVariable Long project_id) {
-        return projectService.getProjectInfo(project_id);
+    public ProjectInfoResponseDto getProjectInfo(@PathVariable Long project_id, @AuthenticationPrincipal User user) {
+        return projectService.getProjectInfo(project_id, user);
     }
 
     //주문폼: 굿즈 소개(이미지 3개) 조회
@@ -56,12 +56,4 @@ public ResponseEntity createDemandForm(@PathVariable Long project_id, @RequestBo
     public ResponseEntity<?> likeProject(@PathVariable Long project_id, @AuthenticationPrincipal User user) {
         return projectService.likeProject(project_id, user);
     }
-
-    @DeleteMapping("/{project_id}/unlike")
-    public ResponseEntity<?> unlikeProject(@PathVariable Long project_id, @AuthenticationPrincipal User user) {
-        return projectService.unLikeProject(project_id, user);
-    }
-
-
-
 }
\ No newline at end of file
diff --git a/src/main/java/wowmarket/wow_server/detail/project/dto/ProjectInfoResponseDto.java b/src/main/java/wowmarket/wow_server/detail/project/dto/ProjectInfoResponseDto.java
index e489792..f878835 100644
--- a/src/main/java/wowmarket/wow_server/detail/project/dto/ProjectInfoResponseDto.java
+++ b/src/main/java/wowmarket/wow_server/detail/project/dto/ProjectInfoResponseDto.java
@@ -19,9 +19,10 @@ public class ProjectInfoResponseDto {
     private int participant_number; //참여인원
     private int achieved; //달성률 분자: 모든 주문상세의 '주문개수' 컬럼의 합
     private int goal; //달성률 분모: 상품 테이블에서 프로젝트 번호로 조회하여 해당 프로젝트에 들어있는 상품의 목표치의 합
+    private boolean isLiked;
 
 
-    public ProjectInfoResponseDto(Project project, int achieved, int goal) {
+    public ProjectInfoResponseDto(Project project, int achieved, int goal, boolean isLiked) {
         this.thumbnail = project.getThumbnail(); //대표이미지
         this.category = project.getCategory().getName(); //카테고리
         this.name = project.getProjectName(); //프로젝트 이름
@@ -33,5 +34,6 @@ public ProjectInfoResponseDto(Project project, int achieved, int goal) {
         this.participant_number = project.getParticipant_number(); //참여인원
         this.achieved = achieved;
         this.goal = goal;
+        this.isLiked = isLiked;
     }
 }
\ No newline at end of file
diff --git a/src/main/java/wowmarket/wow_server/detail/project/service/ProjectService.java b/src/main/java/wowmarket/wow_server/detail/project/service/ProjectService.java
index 1051be6..238f873 100644
--- a/src/main/java/wowmarket/wow_server/detail/project/service/ProjectService.java
+++ b/src/main/java/wowmarket/wow_server/detail/project/service/ProjectService.java
@@ -33,11 +33,15 @@ public ProjectImgResponseDto getProjectImg(Long project_id) {
     }
 
     //주문폼: 상세 정보 조회
-    public ProjectInfoResponseDto getProjectInfo(Long project_id) {
+    public ProjectInfoResponseDto getProjectInfo(Long project_id, User user) {
+        boolean isLiked = false;
         Project project = projectRepository.findByProject_Id(project_id);
         projectRepository.updateView(project_id); //상세정보 조회할 때마다 조회수 +1
+        if (user != null && likesRepository.findByUserAndProject(user, project_id).isPresent()) {
+            isLiked = true;
+        }
         return new ProjectInfoResponseDto(project, itemRepository.getTotalOrderCountByProject(project),
-                itemRepository.getTotalGoalByProject(project));
+                itemRepository.getTotalGoalByProject(project), isLiked);
     }
 
     @Transactional
@@ -50,15 +54,6 @@ public ResponseEntity<?> likeProject(Long projectId, User user) {
             projectRepository.updateProjectLike(projectId);
             userRepository.updateProjectLike(user);
         } else {
-            throw new ResponseStatusException(HttpStatus.CONFLICT, "이미 like한 프로젝트");
-        }
-        return ResponseEntity.ok().build();
-    }
-
-    @Transactional
-    public ResponseEntity<?> unLikeProject(Long projectId, User user) {
-        Optional<Likes> likeExist = likesRepository.findByUserAndProject(user, projectId);
-        if (likeExist.isPresent()) {
             if (projectRepository.findById(projectId).get().getLikeCnt() > 0
                     && user.getProjectLike() > 0) {
                 likesRepository.deleteLikes(likeExist.get().getId());
@@ -67,8 +62,6 @@ public ResponseEntity<?> unLikeProject(Long projectId, User user) {
             } else {
                 throw new ResponseStatusException(HttpStatus.NOT_FOUND, "like 수가 0이라 unlike할 수 없음");
             }
-        } else {
-                throw new ResponseStatusException(HttpStatus.NOT_FOUND, "like하지 않아서 unlike할 수 없음");
         }
         return ResponseEntity.ok().build();
     }