diff --git a/backend/src/main/java/com/example/todoapp/controller/StuffsController.java b/backend/src/main/java/com/example/todoapp/controller/StuffsController.java
new file mode 100644
index 0000000..4a71368
--- /dev/null
+++ b/backend/src/main/java/com/example/todoapp/controller/StuffsController.java
@@ -0,0 +1,45 @@
+package com.example.todoapp.controller;
+
+import com.example.todoapp.dto.StuffRequestDTO;
+import com.example.todoapp.model.Stuffs;
+import com.example.todoapp.service.StuffsService;
+
+import java.util.Collections;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.http.ResponseEntity;
+import org.springframework.web.bind.annotation.PostMapping;
+import org.springframework.web.bind.annotation.RequestBody;
+import org.springframework.web.bind.annotation.RequestMapping;
+import org.springframework.web.bind.annotation.RestController;
+
+
+@RestController
+@RequestMapping("/stuffs")
+public class StuffsController {
+
+    @Autowired
+    private StuffsService stuffsService;
+
+    @PostMapping("/add")
+    public ResponseEntity<?> createStuffs(@RequestBody StuffRequestDTO requestDTO) {
+        try {
+            Stuffs newStuffs = stuffsService.createStuffs(requestDTO);
+            return ResponseEntity.ok(newStuffs);
+        } catch (IllegalArgumentException e) {
+            return ResponseEntity.badRequest().body(Collections.singletonMap("error", e.getMessage()));
+        }
+    }
+
+    @PostMapping("/get")
+    public ResponseEntity<?> getStuffs(@RequestBody StuffRequestDTO requestDTO) {
+        try {
+            Long stuffId = requestDTO.getStuffs().getStuff_id();
+            Stuffs stuff = stuffsService.getStuff(stuffId);
+            return ResponseEntity.ok(stuff);
+        } catch (IllegalArgumentException e) {
+            return ResponseEntity.badRequest().body(Collections.singletonMap("error", e.getMessage()));
+        }
+    }
+    
+}
\ No newline at end of file
diff --git a/backend/src/main/java/com/example/todoapp/dto/StuffDetailDTO.java b/backend/src/main/java/com/example/todoapp/dto/StuffDetailDTO.java
new file mode 100644
index 0000000..5e784e7
--- /dev/null
+++ b/backend/src/main/java/com/example/todoapp/dto/StuffDetailDTO.java
@@ -0,0 +1,19 @@
+package com.example.todoapp.dto;
+
+import com.example.todoapp.model.Stuffs;
+import lombok.Data;
+
+@Data
+public class StuffDetailDTO {
+    private Long stuff_id;
+    private String stuff_name;
+    private String summary;
+    private String category;
+
+    public StuffDetailDTO(Stuffs stuff) {
+        this.stuff_id = stuff.getStuff_id();
+        this.stuff_name = stuff.getStuff_name();
+        this.summary = stuff.getSummary();
+        this.category = stuff.getCategory();
+    }
+}
\ No newline at end of file
diff --git a/backend/src/main/java/com/example/todoapp/dto/StuffRequestDTO.java b/backend/src/main/java/com/example/todoapp/dto/StuffRequestDTO.java
new file mode 100644
index 0000000..be95b13
--- /dev/null
+++ b/backend/src/main/java/com/example/todoapp/dto/StuffRequestDTO.java
@@ -0,0 +1,34 @@
+package com.example.todoapp.dto;
+
+import com.example.todoapp.dto.StuffRequestDTO.StuffDTO;
+import com.example.todoapp.dto.StuffRequestDTO.StuffIdentifier;
+
+import lombok.Data;
+
+/**
+ * タスクエンティティのリポジトリインターフェース
+ * <p>
+ * このインターフェースはタスクデータへのアクセスと操作を提供します。
+ * Spring Data JPAによって自動的に実装されます。
+ * </p>
+ */
+@Data
+public class StuffRequestDTO {
+    
+    
+    @Data
+    public static class StuffDTO {
+        private Long stuff_id;
+        private String stuff_name;
+        private String summary;
+        private String category;
+    }
+
+    @Data
+    public static class StuffIdentifier  {
+        private Long stuff_id;
+    }
+
+    private StuffDTO stuff;
+    private StuffIdentifier stuffs;
+}
\ No newline at end of file
diff --git a/backend/src/main/java/com/example/todoapp/repository/StuffsRepository.java b/backend/src/main/java/com/example/todoapp/repository/StuffsRepository.java
new file mode 100644
index 0000000..390acbf
--- /dev/null
+++ b/backend/src/main/java/com/example/todoapp/repository/StuffsRepository.java
@@ -0,0 +1,21 @@
+package com.example.todoapp.repository;
+
+import com.example.todoapp.model.Stuffs;
+
+import java.util.Optional;
+
+import org.springframework.data.jpa.repository.JpaRepository;
+import org.springframework.stereotype.Repository;
+
+/**
+ * タスクエンティティのリポジトリインターフェース
+ * <p>
+ * このインターフェースはタスクデータへのアクセスと操作を提供します。
+ * Spring Data JPAによって自動的に実装されます。
+ * </p>
+ */
+@Repository
+public interface StuffsRepository extends JpaRepository<Stuffs, Long> {
+
+    Optional<Stuffs> findById(Long stuff_id);
+}
\ No newline at end of file
diff --git a/backend/src/main/java/com/example/todoapp/service/StuffsService.java b/backend/src/main/java/com/example/todoapp/service/StuffsService.java
new file mode 100644
index 0000000..78dd91b
--- /dev/null
+++ b/backend/src/main/java/com/example/todoapp/service/StuffsService.java
@@ -0,0 +1,53 @@
+package com.example.todoapp.service;
+
+import com.example.todoapp.dto.StuffRequestDTO;
+import com.example.todoapp.model.Stuffs;
+import com.example.todoapp.repository.StuffsRepository;
+
+import java.util.Optional;
+
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Service;
+import org.springframework.transaction.annotation.Transactional;
+
+/**
+ * 認証機能のサービスクラス
+ * <p>
+ * このクラスはユーザー登録とログイン処理のビジネスロジックを提供します。
+ * 認証に成功した場合、JWTトークンを発行します。
+ * </p>
+ */
+@Service
+public class StuffsService {
+
+    @Autowired
+    private StuffsRepository stuffsRepository;
+
+    @Transactional
+    public Stuffs createStuffs(StuffRequestDTO requestDTO) {
+
+        Stuffs stuffs = new Stuffs();   
+        stuffs.setStuff_name(requestDTO.getStuff().getStuff_name());
+        stuffs.setSummary(requestDTO.getStuff().getSummary());
+        stuffs.setCategory(requestDTO.getStuff().getCategory());
+
+        return stuffsRepository.save(stuffs);
+    }
+
+    @Transactional
+    public void deteleStuffs(Long stuffId) { 
+        stuffsRepository.deleteById(stuffId);
+    
+    }
+
+    // 查询食材方法（移除用户验证）
+    @Transactional(readOnly = true)
+    public Stuffs getStuff(Long stuffId) {
+        Optional<Stuffs> stuffOpt = stuffsRepository.findById(stuffId);
+        if (stuffOpt.isPresent()) {
+            return stuffOpt.get();
+        } else {
+            throw new RuntimeException("no: " + stuffId);
+        }
+    }
+}
\ No newline at end of file