diff --git a/src/main/java/com/example/spot/service/studypost/StudyPostQueryServiceImpl.java b/src/main/java/com/example/spot/service/studypost/StudyPostQueryServiceImpl.java
index 0ee04353..647a9bb3 100644
--- a/src/main/java/com/example/spot/service/studypost/StudyPostQueryServiceImpl.java
+++ b/src/main/java/com/example/spot/service/studypost/StudyPostQueryServiceImpl.java
@@ -128,8 +128,8 @@ public StudyPostResDTO.PostDetailDTO getPost(Long studyId, Long postId) {
 
         Integer commentNum = studyPostCommentRepository.findAllByStudyPostId(postId).size();
         boolean isLiked = studyLikedPostRepository.existsByMemberIdAndStudyPostId(memberId, studyPost.getId());
-
-        return StudyPostResDTO.PostDetailDTO.toDTO(studyPost, commentNum, isLiked);
+        boolean isWriter = studyPost.getMember().getId().equals(memberId);
+        return StudyPostResDTO.PostDetailDTO.toDTO(studyPost, commentNum, isLiked, isWriter);
     }
 
 /* ----------------------------- 스터디 게시글 댓글 관련 API ------------------------------------- */
diff --git a/src/main/java/com/example/spot/web/dto/memberstudy/response/StudyPostResDTO.java b/src/main/java/com/example/spot/web/dto/memberstudy/response/StudyPostResDTO.java
index 1d891068..f6ec2274 100644
--- a/src/main/java/com/example/spot/web/dto/memberstudy/response/StudyPostResDTO.java
+++ b/src/main/java/com/example/spot/web/dto/memberstudy/response/StudyPostResDTO.java
@@ -99,9 +99,10 @@ public static class PostDetailDTO {
         private final Integer hitNum;
         private final Integer commentNum;
         private final Boolean isLiked;
+        private final Boolean isWriter;
         private final List<ImageDTO> studyPostImages;
 
-        public static PostDetailDTO toDTO(StudyPost studyPost, Integer commentNum, boolean isLiked) {
+        public static PostDetailDTO toDTO(StudyPost studyPost, Integer commentNum, boolean isLiked, boolean isWriter) {
             return PostDetailDTO.builder()
                     .member(PostMemberDTO.toDTO(studyPost.getMember()))
                     .postId(studyPost.getId())
@@ -114,6 +115,7 @@ public static PostDetailDTO toDTO(StudyPost studyPost, Integer commentNum, boole
                     .hitNum(studyPost.getHitNum())
                     .commentNum(commentNum)
                     .isLiked(isLiked)
+                    .isWriter(isWriter)
                     .studyPostImages(studyPost.getImages().stream()
                             .map(ImageDTO::toDTO)
                             .toList())