diff --git a/src/main/java/org/jullaene/walkmong_back/api/apply/service/ApplyService.java b/src/main/java/org/jullaene/walkmong_back/api/apply/service/ApplyService.java
index f41ff7c..8321ce0 100644
--- a/src/main/java/org/jullaene/walkmong_back/api/apply/service/ApplyService.java
+++ b/src/main/java/org/jullaene/walkmong_back/api/apply/service/ApplyService.java
@@ -9,6 +9,7 @@
 import org.jullaene.walkmong_back.api.apply.dto.res.*;
 import org.jullaene.walkmong_back.api.apply.repository.ApplyRepository;
 import org.jullaene.walkmong_back.api.board.domain.Board;
+import org.jullaene.walkmong_back.api.board.domain.enums.WalkingStatus;
 import org.jullaene.walkmong_back.api.board.dto.res.BoardPreviewResponseDto;
 import org.jullaene.walkmong_back.api.board.repository.BoardRepository;
 import org.jullaene.walkmong_back.api.chat.dto.res.ChatRoomListResponseDto;
@@ -136,10 +137,16 @@ public ApplicationFormResponseDto getApplicationFormInfo(Long boardId, Long appl
      */
     @Transactional
     public void confirmMatching(Long boardId, Long applyId) {
-        Apply matchApply=applyRepository.findByApplyIdAndBoardIdAndDelYn(applyId,boardId,"N");
+        Apply matchApply = applyRepository.findByApplyIdAndBoardIdAndDelYn(applyId,boardId,"N");
         log.info("진입");
         matchApply.changeState(); //매칭 완료 상태로 바꾼다
         applyRepository.save(matchApply);
+
+        Board board = boardRepository.findByBoardIdAndDelYn(matchApply.getBoardId(), "N")
+                .orElseThrow(() -> new CustomException(HttpStatus.NOT_FOUND, ErrorType.INVALID_BOARD));
+
+        board.updateWalkingStatus(WalkingStatus.BEFORE);
+
         //나머지 지원을 취소처리
         applyRepository.cancelOtherApplications(boardId,applyId);
     }
@@ -178,9 +185,14 @@ public void cancelApply(Long applyId) {
      *매칭 취소: status를 PENDING으로 바꾼다
      */
     public void cancelMatching(Long applyId) {
-        Apply apply=applyRepository.findById(applyId).orElseThrow(()->new CustomException(HttpStatus.BAD_REQUEST,ErrorType.INVALID_USER));
-        Apply changedApply=apply.cancelMatching();
+        Apply apply = applyRepository.findById(applyId).orElseThrow(()->new CustomException(HttpStatus.BAD_REQUEST,ErrorType.INVALID_USER));
+        Apply changedApply = apply.cancelMatching();
         applyRepository.save(changedApply);
+
+        Board board = boardRepository.findByBoardIdAndDelYn(apply.getBoardId(), "N")
+                .orElseThrow(() -> new CustomException(HttpStatus.NOT_FOUND, ErrorType.INVALID_BOARD));
+
+        board.updateWalkingStatus(WalkingStatus.PENDING);
     }
 
     /**
diff --git a/src/main/java/org/jullaene/walkmong_back/api/board/domain/Board.java b/src/main/java/org/jullaene/walkmong_back/api/board/domain/Board.java
index e8364eb..305cda9 100644
--- a/src/main/java/org/jullaene/walkmong_back/api/board/domain/Board.java
+++ b/src/main/java/org/jullaene/walkmong_back/api/board/domain/Board.java
@@ -68,11 +68,19 @@ public Board (BoardRequestDto boardRequestDto, String content, Long ownerId) {
         this.endTime = boardRequestDto.getEndTime();
         this.locationNegotiationYn = boardRequestDto.getLocationNegotiationYn();
         this.preMeetAvailableYn = boardRequestDto.getPreMeetAvailableYn();
-        this.walkingStatus = WalkingStatus.BEFORE;
+        this.walkingStatus = WalkingStatus.PENDING;
         this.ownerId = ownerId;
     }
 
     public void updateWalkingStatus(WalkingStatus walkingStatus) {
         this.walkingStatus = walkingStatus;
+
+        if (walkingStatus.equals(WalkingStatus.PENDING) && this.matchingYn.equals("Y")) {
+            this.matchingYn = "N";
+        }
+        else if (this.matchingYn.equals("N")) {
+            this.matchingYn = "Y";
+        }
     }
+
 }
diff --git a/src/main/java/org/jullaene/walkmong_back/api/board/repository/impl/BoardRepositoryImpl.java b/src/main/java/org/jullaene/walkmong_back/api/board/repository/impl/BoardRepositoryImpl.java
index 847ea98..53addcb 100644
--- a/src/main/java/org/jullaene/walkmong_back/api/board/repository/impl/BoardRepositoryImpl.java
+++ b/src/main/java/org/jullaene/walkmong_back/api/board/repository/impl/BoardRepositoryImpl.java
@@ -366,6 +366,8 @@ public List<MatchingResponseDto> getBoardInfoResponse(Long memberId, WalkMatchin
         BooleanBuilder builder = new BooleanBuilder();
         LocalDateTime now = LocalDateTime.now();
 
+        log.info("memberId : " + memberId);
+
         // 매칭 전 : 지원 상태가 PENDING이고 산책 날짜 안 지남
         if (status.equals(WalkMatchingStatus.PENDING)) {
             builder.and(board.walkingStatus.eq(WalkingStatus.PENDING))
@@ -382,8 +384,9 @@ else if (status.equals(WalkMatchingStatus.AFTER)) {
         }
         // 매칭 취소 : 지원 상태가 REJECT이거나 지원 상태가 PENDING인데 날짜 지남
         else if (status.equals(WalkMatchingStatus.REJECT)) {
+            log.info("매칭 취소 조건 추가");
             builder.and(board.walkingStatus.eq(WalkingStatus.PENDING))
-                    .and(board.startTime.after(now));
+                    .and(board.startTime.before(now));
         }
 
         return queryFactory.selectDistinct(
@@ -409,15 +412,15 @@ else if (status.equals(WalkMatchingStatus.REJECT)) {
                 .join(apply)
                 .on(apply.boardId.eq(board.boardId)
                         .and(apply.delYn.eq(delYn)))  // Apply와 Board를 연결하는 조건 추가
-                .join(member)
+                .leftJoin(member)
                 .on(member.memberId.eq(apply.memberId)
                         .and(member.delYn.eq(delYn))
                         .and(board.walkingStatus.ne(WalkingStatus.PENDING))  // board.walkingStatus가 PENDING이 아닌 경우
                         .and(apply.matchingStatus.eq(MatchingStatus.CONFIRMED))) // apply.matchingStatus가 CONFIRMED인 경우)
                 .where(board.ownerId.eq(memberId)
                         .and(board.delYn.eq(delYn))
-                        .and(builder)
                 )
+                .where(builder)
                 .fetch();
     }