diff --git a/src/main/java/efub/back/jupjup/domain/userHeart/dto/request/UserHeartReqDto.java b/src/main/java/efub/back/jupjup/domain/userHeart/dto/request/UserHeartReqDto.java
index 2bc06af..421a0c2 100644
--- a/src/main/java/efub/back/jupjup/domain/userHeart/dto/request/UserHeartReqDto.java
+++ b/src/main/java/efub/back/jupjup/domain/userHeart/dto/request/UserHeartReqDto.java
@@ -1,5 +1,7 @@
 package efub.back.jupjup.domain.userHeart.dto.request;
 
+import java.util.List;
+
 import lombok.AccessLevel;
 import lombok.Getter;
 import lombok.NoArgsConstructor;
@@ -8,5 +10,5 @@
 @NoArgsConstructor(access = AccessLevel.PROTECTED)
 public class UserHeartReqDto {
 	private Long postId;
-	private Long targetId;
+	private List<Long> targetIds;
 }
diff --git a/src/main/java/efub/back/jupjup/domain/userHeart/repository/UserHeartRepository.java b/src/main/java/efub/back/jupjup/domain/userHeart/repository/UserHeartRepository.java
index 0609aaf..a7e0c0b 100644
--- a/src/main/java/efub/back/jupjup/domain/userHeart/repository/UserHeartRepository.java
+++ b/src/main/java/efub/back/jupjup/domain/userHeart/repository/UserHeartRepository.java
@@ -7,6 +7,6 @@
 import efub.back.jupjup.domain.userHeart.domain.UserHeart;
 
 public interface UserHeartRepository extends JpaRepository<UserHeart, Long> {
-	@Query("SELECT COUNT(u) FROM UserHeart u WHERE u.id = :memberId")
+	@Query("SELECT COUNT(u) FROM UserHeart u WHERE u.member.id = :memberId")
 	Long countUserHeartsByMemberId(@Param("memberId") Long memberId);
 }
diff --git a/src/main/java/efub/back/jupjup/domain/userHeart/service/UserHeartService.java b/src/main/java/efub/back/jupjup/domain/userHeart/service/UserHeartService.java
index 4469170..2e221e9 100644
--- a/src/main/java/efub/back/jupjup/domain/userHeart/service/UserHeartService.java
+++ b/src/main/java/efub/back/jupjup/domain/userHeart/service/UserHeartService.java
@@ -35,15 +35,19 @@ public class UserHeartService {
 	private final PostRepository postRepository;
 	private final PostjoinRepository postjoinRepository;
 
-	public ResponseEntity<StatusResponse> giveUserHeart(Member member, UserHeartReqDto userHeartReqDto) {
-		Member target = memberRepository.findById(userHeartReqDto.getTargetId())
-			.orElseThrow(MemberNotFoundException::new);
-		Post post = postRepository.findById(userHeartReqDto.getPostId()).orElseThrow(PostNotFoundException::new);
+	public ResponseEntity<StatusResponse> giveUserHeart(Member writer, UserHeartReqDto userHeartReqDto) {
+		Post post = postRepository.findById(userHeartReqDto.getPostId())
+			.orElseThrow(PostNotFoundException::new);
 
-		checkPloggingMember(userHeartReqDto, member, target, post);
+		userHeartReqDto.getTargetIds().forEach(id -> {
+			Member target = memberRepository.findById(id)
+				.orElseThrow(MemberNotFoundException::new);
 
-		UserHeart userHeart = new UserHeart(target, post);
-		userHeartRepository.save(userHeart);
+			checkPloggingMember(writer, target, post);
+
+			UserHeart userHeart = new UserHeart(target, post);
+			userHeartRepository.save(userHeart);
+		});
 
 		return ResponseEntity.ok()
 			.body(StatusResponse.builder()
@@ -66,7 +70,7 @@ public ResponseEntity<StatusResponse> getUserHearts(Long memberId) {
 	}
 
 	// 플로깅에 참여한 유저들인지 확인
-	private void checkPloggingMember(UserHeartReqDto userHeartReqDto, Member member, Member target, Post post) {
+	private void checkPloggingMember(Member writer, Member target, Post post) {
 		List<Member> joinedMembers = postjoinRepository.findAllByPost(post)
 			.stream()
 			.map(Postjoin::getMember)
@@ -75,16 +79,16 @@ private void checkPloggingMember(UserHeartReqDto userHeartReqDto, Member member,
 		joinedMembers.add(author);
 
 		Optional<Member> memberOptional = joinedMembers.stream()
-			.filter(m -> m.getId().equals(member.getId()))
+			.filter(m -> m.getId().equals(writer.getId()))
 			.findFirst();
 		Optional<Member> targetOptional = joinedMembers.stream()
 			.filter(m -> m.getId().equals(target.getId()))
 			.findFirst();
 
 		if (memberOptional.isEmpty() && targetOptional.isEmpty()) {
-			throw new PostjoinNotFoundException(member.getId(), target.getId());
+			throw new PostjoinNotFoundException(writer.getId(), target.getId());
 		} else if (memberOptional.isEmpty()) {
-			throw new PostjoinNotFoundException(member.getId());
+			throw new PostjoinNotFoundException(writer.getId());
 		} else if (targetOptional.isEmpty()) {
 			throw new PostjoinNotFoundException(target.getId());
 		}