diff --git a/src/main/java/com/mookive/mookive_backend/heart/application/service/HeartCreateService.java b/src/main/java/com/mookive/mookive_backend/heart/application/service/HeartCreateService.java
new file mode 100644
index 0000000..ed144bc
--- /dev/null
+++ b/src/main/java/com/mookive/mookive_backend/heart/application/service/HeartCreateService.java
@@ -0,0 +1,39 @@
+package com.mookive.mookive_backend.heart.application.service;
+
+import com.mookive.mookive_backend.heart.domain.entity.Heart;
+import com.mookive.mookive_backend.heart.domain.service.HeartDeleteService;
+import com.mookive.mookive_backend.heart.domain.service.HeartQueryService;
+import com.mookive.mookive_backend.heart.domain.service.HeartSaveService;
+import com.mookive.mookive_backend.movie.domain.entity.Movie;
+import com.mookive.mookive_backend.movie.domain.service.MovieQueryService;
+import com.mookive.mookive_backend.user.domain.entity.User;
+import com.mookive.mookive_backend.user.domain.service.UserQueryService;
+import jakarta.transaction.Transactional;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+
+@Service
+@RequiredArgsConstructor
+@Transactional
+public class HeartCreateService {
+
+    private final HeartQueryService heartQueryService;
+    private final HeartSaveService heartSaveService;
+    private final HeartDeleteService heartDeleteService;
+    private final UserQueryService userQueryService;
+    private final MovieQueryService movieQueryService;
+
+    public void createHeart(Long userId, Long movieId) {
+        if (heartQueryService.existsByUserIdAndMovieId(userId, movieId)) {
+            heartDeleteService.deleteByUserIdAndMovieId(userId, movieId);
+        } else {
+            User user = userQueryService.findById(userId);
+            Movie movie = movieQueryService.findById(movieId);
+            Heart heart = Heart.builder()
+                    .user(user)
+                    .movie(movie)
+                    .build();
+            heartSaveService.save(heart);
+        }
+    }
+}
diff --git a/src/main/java/com/mookive/mookive_backend/heart/domain/entity/Heart.java b/src/main/java/com/mookive/mookive_backend/heart/domain/entity/Heart.java
new file mode 100644
index 0000000..3af5d90
--- /dev/null
+++ b/src/main/java/com/mookive/mookive_backend/heart/domain/entity/Heart.java
@@ -0,0 +1,32 @@
+package com.mookive.mookive_backend.heart.domain.entity;
+
+import com.mookive.mookive_backend.movie.domain.entity.Movie;
+import com.mookive.mookive_backend.user.domain.entity.User;
+import jakarta.persistence.*;
+import lombok.AccessLevel;
+import lombok.Builder;
+import lombok.Getter;
+import lombok.NoArgsConstructor;
+
+@Entity
+@Getter
+@NoArgsConstructor(access = AccessLevel.PROTECTED)
+public class Heart {
+
+    @Id @GeneratedValue(strategy = GenerationType.IDENTITY)
+    private Long id;
+
+    @ManyToOne
+    @JoinColumn(name = "movie_id")
+    private Movie movie;
+
+    @ManyToOne
+    @JoinColumn(name = "user_id")
+    private User user;
+
+    @Builder
+    public Heart(Movie movie, User user) {
+        this.movie = movie;
+        this.user = user;
+    }
+}
diff --git a/src/main/java/com/mookive/mookive_backend/heart/domain/repository/HeartRepository.java b/src/main/java/com/mookive/mookive_backend/heart/domain/repository/HeartRepository.java
new file mode 100644
index 0000000..88a320c
--- /dev/null
+++ b/src/main/java/com/mookive/mookive_backend/heart/domain/repository/HeartRepository.java
@@ -0,0 +1,11 @@
+package com.mookive.mookive_backend.heart.domain.repository;
+
+import com.mookive.mookive_backend.heart.domain.entity.Heart;
+import org.springframework.data.jpa.repository.JpaRepository;
+
+public interface HeartRepository extends JpaRepository<Heart, Long> {
+
+    void deleteByUserIdAndMovieId(Long userId, Long movieId);
+
+    boolean existsByUserIdAndMovieId(Long userId, Long movieId);
+}
diff --git a/src/main/java/com/mookive/mookive_backend/heart/domain/service/HeartDeleteService.java b/src/main/java/com/mookive/mookive_backend/heart/domain/service/HeartDeleteService.java
new file mode 100644
index 0000000..a218a26
--- /dev/null
+++ b/src/main/java/com/mookive/mookive_backend/heart/domain/service/HeartDeleteService.java
@@ -0,0 +1,19 @@
+package com.mookive.mookive_backend.heart.domain.service;
+
+
+import com.mookive.mookive_backend.heart.domain.repository.HeartRepository;
+import jakarta.transaction.Transactional;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+
+@Service
+@RequiredArgsConstructor
+@Transactional
+public class HeartDeleteService {
+
+    private final HeartRepository heartRepository;
+
+    public void deleteByUserIdAndMovieId(Long userId, Long movieId) {
+        heartRepository.deleteByUserIdAndMovieId(userId, movieId);
+    }
+}
diff --git a/src/main/java/com/mookive/mookive_backend/heart/domain/service/HeartQueryService.java b/src/main/java/com/mookive/mookive_backend/heart/domain/service/HeartQueryService.java
new file mode 100644
index 0000000..4592d95
--- /dev/null
+++ b/src/main/java/com/mookive/mookive_backend/heart/domain/service/HeartQueryService.java
@@ -0,0 +1,19 @@
+package com.mookive.mookive_backend.heart.domain.service;
+
+
+import com.mookive.mookive_backend.heart.domain.repository.HeartRepository;
+import jakarta.transaction.Transactional;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+
+@Service
+@RequiredArgsConstructor
+@Transactional
+public class HeartQueryService {
+
+    private final HeartRepository heartRepository;
+
+    public boolean existsByUserIdAndMovieId(Long userId, Long movieId) {
+        return heartRepository.existsByUserIdAndMovieId(userId, movieId);
+    }
+}
diff --git a/src/main/java/com/mookive/mookive_backend/heart/domain/service/HeartSaveService.java b/src/main/java/com/mookive/mookive_backend/heart/domain/service/HeartSaveService.java
new file mode 100644
index 0000000..94440b4
--- /dev/null
+++ b/src/main/java/com/mookive/mookive_backend/heart/domain/service/HeartSaveService.java
@@ -0,0 +1,20 @@
+package com.mookive.mookive_backend.heart.domain.service;
+
+import com.mookive.mookive_backend.heart.domain.entity.Heart;
+import com.mookive.mookive_backend.heart.domain.repository.HeartRepository;
+import jakarta.transaction.Transactional;
+import lombok.RequiredArgsConstructor;
+import org.springframework.stereotype.Service;
+
+@Service
+@RequiredArgsConstructor
+@Transactional
+public class HeartSaveService {
+
+    private final HeartRepository heartRepository;
+
+    public void save(Heart heart) {
+        heartRepository.save(heart);
+    }
+
+}
diff --git a/src/main/java/com/mookive/mookive_backend/heart/presentation/HeartController.java b/src/main/java/com/mookive/mookive_backend/heart/presentation/HeartController.java
new file mode 100644
index 0000000..7075e5b
--- /dev/null
+++ b/src/main/java/com/mookive/mookive_backend/heart/presentation/HeartController.java
@@ -0,0 +1,19 @@
+package com.mookive.mookive_backend.heart.presentation;
+
+import com.mookive.mookive_backend.heart.application.service.HeartCreateService;
+import lombok.RequiredArgsConstructor;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestParam;
+import org.springframework.web.bind.annotation.RestController;
+
+@RestController
+@RequiredArgsConstructor
+public class HeartController {
+
+    private final HeartCreateService heartCreateService;
+
+    @PostMapping("/heart")
+    public void createHeart(@RequestParam Long userId, @RequestParam Long movieId) {
+        heartCreateService.createHeart(userId, movieId);
+    }
+}