diff --git a/backend/src/main/java/com/example/todoapp/controller/ToBuysController.java b/backend/src/main/java/com/example/todoapp/controller/ToBuysController.java
index ceb10df..1efa39b 100644
--- a/backend/src/main/java/com/example/todoapp/controller/ToBuysController.java
+++ b/backend/src/main/java/com/example/todoapp/controller/ToBuysController.java
@@ -7,9 +7,17 @@
 
 package com.example.todoapp.controller;
 
-import com.example.todoapp.dto.ToBuyDTO;
+import com.example.todoapp.dto.ToBuyResponse;
+import com.example.todoapp.dto.ToBuysDTO;
+import com.example.todoapp.model.ToBuys;
 import com.example.todoapp.service.ToBuysService;
 import jakarta.validation.Valid;
+
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+import java.util.stream.Collectors;
+
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.http.ResponseEntity;
 import org.springframework.web.bind.annotation.*;
@@ -22,7 +30,7 @@ import org.springframework.web.bind.annotation.*;
  * </p>
  */
 @RestController
-@RequestMapping("/tobuy/add")
+@RequestMapping("/tobuy")
 public class ToBuysController {
 
     @Autowired
@@ -35,9 +43,37 @@ public class ToBuysController {
      * @return 成功時のレスポンスメッセージ
      */
 
-    @PostMapping
-    public ResponseEntity<String> addToBuys(@Valid @RequestBody ToBuyDTO dto) {
+    @PostMapping("/add")
+    public ResponseEntity<String> addToBuys(@Valid @RequestBody ToBuysDTO dto) {
         toBuysService.addToBuys(dto);
         return ResponseEntity.ok("Item added to 'To Buys' successfully");
     }
+
+    /**
+     * 指定されたユーザーIDに基づいてすべての「買うもの」リストを取得する
+     *
+     * @param userId ユーザーID
+     * @return ユーザーに紐づく「買うもの」リスト
+     */
+    @GetMapping("/get")
+    public ResponseEntity<?> getAllToBuysByUserId(@RequestParam Long user_id) {
+        List<ToBuys> toBuysList = toBuysService.getToBuysByUserId(user_id);
+
+        // DTO形式に変換して返す
+        List<ToBuyResponse> responseList  = toBuysList.stream()
+                .map(toBuy -> {
+                ToBuyResponse resp = new ToBuyResponse();
+                resp.setTobuy_id(toBuy.getTobuy_id());
+                resp.setStuff_id(toBuy.getStuffs().getStuff_id());
+                resp.setAmount(toBuy.getAmount());
+                resp.setShop(toBuy.getStore());
+                return resp;
+                })
+                .collect(Collectors.toList());
+
+        Map<String, Object> responseBody = new HashMap<>();
+        responseBody.put("tobuy_array", responseList);
+
+        return ResponseEntity.ok(responseList);
+    }
 }
\ No newline at end of file
diff --git a/backend/src/main/java/com/example/todoapp/dto/ToBuyResponse.java b/backend/src/main/java/com/example/todoapp/dto/ToBuyResponse.java
new file mode 100644
index 0000000..2ffab6e
--- /dev/null
+++ b/backend/src/main/java/com/example/todoapp/dto/ToBuyResponse.java
@@ -0,0 +1,12 @@
+// src/main/java/com/example/todoapp/dto/ToBuyResponse.java
+package com.example.todoapp.dto;
+
+import lombok.Data;
+
+@Data
+public class ToBuyResponse {
+    private int tobuy_id;
+    private Long stuff_id;
+    private int amount;
+    private String shop;
+}
\ No newline at end of file
diff --git a/backend/src/main/java/com/example/todoapp/dto/ToBuyDTO.java b/backend/src/main/java/com/example/todoapp/dto/ToBuysDTO.java
similarity index 93%
rename from backend/src/main/java/com/example/todoapp/dto/ToBuyDTO.java
rename to backend/src/main/java/com/example/todoapp/dto/ToBuysDTO.java
index 6212f7d..90830fd 100644
--- a/backend/src/main/java/com/example/todoapp/dto/ToBuyDTO.java
+++ b/backend/src/main/java/com/example/todoapp/dto/ToBuysDTO.java
@@ -9,7 +9,7 @@ import lombok.Data;
  */
 
  @Data
- public class ToBuyDTO {
+ public class ToBuysDTO {
     private Long  stuff_id;
     private Long  user_id;
 
diff --git a/backend/src/main/java/com/example/todoapp/repository/ToBuysRepository.java b/backend/src/main/java/com/example/todoapp/repository/ToBuysRepository.java
index 368aef8..49029ea 100644
--- a/backend/src/main/java/com/example/todoapp/repository/ToBuysRepository.java
+++ b/backend/src/main/java/com/example/todoapp/repository/ToBuysRepository.java
@@ -8,7 +8,11 @@
 package com.example.todoapp.repository;
 
 import com.example.todoapp.model.ToBuys;
+
+import java.util.List;
+
 import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.data.jpa.repository.Query;
 import org.springframework.stereotype.Repository;
 
 /**
@@ -20,4 +24,13 @@ import org.springframework.stereotype.Repository;
  */
 @Repository
 public interface ToBuysRepository extends JpaRepository<ToBuys, Integer> {
+    /**
+     * 指定されたユーザーIDに基づいて「買うもの」リストを取得する
+     *
+     * @param userId ユーザーID
+     * @return 「買うもの」リスト
+     */
+    
+    @Query("SELECT t FROM ToBuys t WHERE t.user_id.id = ?1")
+    List<ToBuys> findByUserId(Long user_id);
 }
\ No newline at end of file
diff --git a/backend/src/main/java/com/example/todoapp/service/ToBuysService.java b/backend/src/main/java/com/example/todoapp/service/ToBuysService.java
index 475879f..d1cd65c 100644
--- a/backend/src/main/java/com/example/todoapp/service/ToBuysService.java
+++ b/backend/src/main/java/com/example/todoapp/service/ToBuysService.java
@@ -8,7 +8,7 @@
 
 package com.example.todoapp.service;
 
-import com.example.todoapp.dto.ToBuyDTO;
+import com.example.todoapp.dto.ToBuysDTO;
 import com.example.todoapp.model.Stuffs;
 import com.example.todoapp.model.ToBuys;
 import com.example.todoapp.model.User;
@@ -18,6 +18,7 @@ import com.example.todoapp.repository.UserRepository;
 import org.springframework.beans.factory.annotation.Autowired;
 import org.springframework.stereotype.Service;
 
+import java.util.List;
 import java.util.Optional;
 
 /**
@@ -46,11 +47,11 @@ public class ToBuysService {
      *
      * @param toBuyDTO 追加する購入アイテムのデータ（DTO）
      */
-    public void addToBuys(ToBuyDTO toBuyDTO) {
+    public void addToBuys(ToBuysDTO toBuyDTO) {
 
         // ユーザー情報を取得
         User user = userRepository.findById(toBuyDTO.getUser_id())
-                .orElseThrow(() -> new RuntimeException("用户不存在: " + toBuyDTO.getUser_id()));
+                .orElseThrow(() -> new RuntimeException("ユーザーがありませ: " + toBuyDTO.getUser_id()));
 
         Stuffs stuffs;
         if (toBuyDTO.getStuff_id() == null) {
@@ -63,13 +64,12 @@ public class ToBuysService {
             // 材料情報を取得
             Optional<Stuffs> optionalStuffs = stuffsRepository.findById(toBuyDTO.getStuff_id());
             if (!optionalStuffs.isPresent()) {
-                throw new RuntimeException("材料不存在");
+                throw new RuntimeException("材料がありません");
             }
             stuffs = optionalStuffs.get();
         }
 
         ToBuys toBuys = new ToBuys();
-        System.out.println("AAAAuser_id: " + toBuyDTO.getUser_id());
         toBuys.setUser_id(user);
         toBuys.setStuffs(stuffs);
         toBuys.setAmount(toBuyDTO.getAmount());
@@ -79,4 +79,14 @@ public class ToBuysService {
         toBuysRepository.save(toBuys);
 
     }
+
+    /**
+     * 指定されたユーザーIDに基づいてすべての「買うもの」リストを取得する
+     *
+     * @param userId ユーザーID
+     * @return ユーザーに紐づく「買うもの」リスト
+     */
+    public List<ToBuys> getToBuysByUserId(Long userId) {
+        return toBuysRepository.findByUserId(userId);
+    }
 }
\ No newline at end of file