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 d5753e9..e263330 100644
--- a/backend/src/main/java/com/example/todoapp/controller/ToBuysController.java
+++ b/backend/src/main/java/com/example/todoapp/controller/ToBuysController.java
@@ -119,7 +119,7 @@ public class ToBuysController {
                 resp.setStuffId(stuff.getStuffId());
                 resp.setStuffName(stuff.getStuffName());
                 resp.setAmount(toBuy.getAmount());
-                resp.setShop(toBuy.getStore());
+                resp.setShop(toBuy.getShop());
                 return resp;
                 })
                 .collect(Collectors.toList());
diff --git a/backend/src/main/java/com/example/todoapp/model/ToBuys.java b/backend/src/main/java/com/example/todoapp/model/ToBuys.java
index e33edfb..d23a547 100644
--- a/backend/src/main/java/com/example/todoapp/model/ToBuys.java
+++ b/backend/src/main/java/com/example/todoapp/model/ToBuys.java
@@ -75,7 +75,7 @@ public class ToBuys {
      * 購入するお店
      */
     @Column(nullable = false)
-    private String store;
+    private String shop;
 
 }
 
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 fe3bfe7..4cd3690 100644
--- a/backend/src/main/java/com/example/todoapp/service/ToBuysService.java
+++ b/backend/src/main/java/com/example/todoapp/service/ToBuysService.java
@@ -104,7 +104,7 @@ public class ToBuysService {
             toBuys.setUser(user);
             toBuys.setStuff(stuff);
             toBuys.setAmount(toBuyDTO.getAmount());
-            toBuys.setStore(toBuyDTO.getShop());
+            toBuys.setShop(toBuyDTO.getShop());
             return toBuysRepository.save(toBuys);
         }
 
@@ -155,7 +155,7 @@ public class ToBuysService {
         toBuys.setUser(user);
         toBuys.setStuff(stuffs);
         toBuys.setAmount(toBuyDTO.getAmount());
-        toBuys.setStore(toBuyDTO.getShop());
+        toBuys.setShop(toBuyDTO.getShop());
 
         // データベースに保存
         return toBuysRepository.save(toBuys);
@@ -248,7 +248,7 @@ public class ToBuysService {
                 toBuy.setUser(user);
                 toBuy.setStuff(stuff);
                 toBuy.setAmount(requiredAmount);
-                toBuy.setStore("");
+                toBuy.setShop("");
             }
 
             toBuy = toBuysRepository.save(toBuy);
diff --git a/frontend/src/pages/AddRecipe.tsx b/frontend/src/pages/AddRecipe.tsx
index 8a0e880..75678cf 100644
--- a/frontend/src/pages/AddRecipe.tsx
+++ b/frontend/src/pages/AddRecipe.tsx
@@ -4,7 +4,6 @@
  */
 import React, { useState, useEffect } from 'react';
 import {
-  Container,
   Typography,
   Tooltip,
   List,
@@ -12,7 +11,6 @@ import {
   ListItemText,
   ListItemSecondaryAction,
   IconButton,
-  Checkbox,
   Fab,
   Dialog,
   DialogTitle,
@@ -21,12 +19,6 @@ import {
   TextField,
   Button,
   Box,
-  MenuItem,
-  Select,
-  FormControl,
-  InputLabel,
-  ListItemIcon,
-  AlertColor
 } from '@mui/material';
 import {
   Add as AddIcon, Delete as DeleteIcon, ShoppingBasket as ShoppingBasketIcon,
@@ -48,6 +40,9 @@ const AddRecipe: React.FC = () => {
 
   //  編集時，既存情報を読み込んだかどうか
   const [recipeLoaded, setRecipeLoaded] = useState(false);
+  // 何人分かを格納する
+  const [numOfPeaple, setNumOfPeaple] = useState<number>(1);
+  const [openNumOfPeapleDialog, setOpenNumOfPeapleDialog] = useState(false);
   //  料理名，説明
   const [recipeName, setRecipeName] = useState<string>('');
   const [recipeSummary, setRecipeSummary] = useState<string>('');
@@ -84,17 +79,20 @@ const AddRecipe: React.FC = () => {
 
     if (!recipeName) {
       showErrorMessage('レシピ名が入力されていません！')
+      console.log("yes1");
       return false;
     }
 
     if (!items.length) {
       showErrorMessage('材料が追加されていません！')
+      console.log("yes2");
       return false;
     }
 
     try {
       if (!recipeId) {
-        //  新規追加
+        console.log("yes3");
+      //  新規追加
         const response = await recipeApi.addRecipe({
           recipeName,
           summary: recipeSummary,
@@ -113,10 +111,26 @@ const AddRecipe: React.FC = () => {
       showErrorMessage('レシピの送信に失敗しました。同じ料理名が存在する可能性があります。');
       return false;
     }
-
+    console.log("yes4");
     return recipeId;
   }
 
+  const checkRecipeAndItems = async () => {
+
+    if (!recipeName) {
+      showErrorMessage('レシピ名が入力されていません！')
+      console.log("yes1");
+      return false;
+    }
+
+    if (!items.length) {
+      showErrorMessage('材料が追加されていません！')
+      console.log("yes2");
+      return false;
+    }
+    return true;
+  }
+
   const handleSubmit = async () => {
     const recipeId = await handleSaveRecipe();
     if (!recipeId) return;
@@ -125,13 +139,34 @@ const AddRecipe: React.FC = () => {
   }
 
   const handleSubmitAndAddToBuy = async () => {
+    console.log("too");
+    console.log(recipeName);
     const recipeId = await handleSaveRecipe();
+    console.log("before");
     if (!recipeId) return false;
-    await toBuyApi.addByRecipe(recipeId);
+    console.log("ds");
+    if (!numOfPeaple) {
+      showErrorMessage('人数が入力されていません!')
+      console.log("yes2");
+      return false;
+    }
+    await toBuyApi.addByRecipe(recipeId, numOfPeaple);
     showSuccessMessage('レシピが保存されて買うものリストに追加されました！');
     navigate('/tasks');
   }
 
+  const openNumOfPeopleDialog = async () => {
+    const check = await checkRecipeAndItems();
+    if (!check) return false;
+    setOpenNumOfPeapleDialog(true);
+  }
+
+  const cancelNumOfPeopleDialog = async () => {
+    const recipeId = await handleSaveRecipe();
+    if (!recipeId) return false;
+    setOpenNumOfPeapleDialog(false);
+  }
+
   // コンポーネントマウント時にタスク一覧を取得
   useEffect(() => {
     loadRecipe();
@@ -211,6 +246,7 @@ const AddRecipe: React.FC = () => {
 
           ))}</List>)}
 
+        
 
         <div style={{ position: "fixed", left: "80%", transform: 'translateX(-50%)', bottom: "10%" }}>
           <Box sx={{ textAlign: 'center' }}>
@@ -226,7 +262,7 @@ const AddRecipe: React.FC = () => {
             <SaveIcon sx={{ fontSize: "1.5rem", marginRight: "0.5rem" }} />
             レシピを保存
           </Button>
-          <Button variant='contained' color="primary" onClick={handleSubmitAndAddToBuy}>
+          <Button variant='contained' color="primary" onClick={openNumOfPeopleDialog}>
             <ListAltIcon sx={{ fontSize: "1.5rem", marginRight: "0.5rem" }} />
             保存して買うものリストへ追加
           </Button>
@@ -272,6 +308,45 @@ const AddRecipe: React.FC = () => {
             setOpenAmountDialog(false);
           }} />
 
+        {/* 人数入力ダイアログ */}
+        <Dialog open={openNumOfPeapleDialog} onClose={() => setOpenNumOfPeapleDialog(false)} disableScrollLock={true}
+          style={{ width : '100%', position : 'fixed', left: '50%', transform: 'translateX(-50%)' }}
+        >
+          <Box display="flex" alignItems="center"
+            >
+            <DialogTitle sx={{ flexGrow: 1 }}>買うものリストへ追加</DialogTitle>
+          </Box>
+          <DialogContent>
+          <div>
+          {/* 人数入力フィールド */}
+          <TextField
+            margin="dense"
+            label="何人前"
+            fullWidth
+            value={numOfPeaple}
+            onChange={(e) => {
+              const value = e.target.value;
+              const parsedValue = parseInt(value, 10); // 数値に変換
+              if (/*!isNaN(parsedValue) && */ isNaN(parsedValue) || parsedValue >= 1) { //負数除外
+                setNumOfPeaple(parsedValue); // number型で保存
+              }
+            }}
+            sx={{ minWidth: "8px", width: "100%" }}
+            type="number"
+            inputProps={{ inputMode: "numeric", pattern: "[0-9]*" }} // ここで整数のみ許可
+
+          />
+        </div>
+        </DialogContent>
+          <DialogActions>
+            <Button onClick={() => setOpenNumOfPeapleDialog(false)}>前の画面に戻る</Button>
+            <Button onClick={() => handleSubmitAndAddToBuy()} variant="contained"
+              style={{ width: '40%', fontSize: 'clamp(12px, 3vw, 20px)' }}
+            >
+              追加
+            </Button>
+          </DialogActions>
+        </Dialog>
       </Box>
     }
     </>
diff --git a/frontend/src/pages/StockPage.tsx b/frontend/src/pages/StockPage.tsx
index bdcde90..5c78c2f 100644
--- a/frontend/src/pages/StockPage.tsx
+++ b/frontend/src/pages/StockPage.tsx
@@ -39,6 +39,7 @@ const formatDateLocal = (date: Date) => {
   return `${year}-${month}-${day}`;
 };
 
+
 // 新規在庫の初期状態
 const EMPTY_STOCK: Omit<Stock, 'stockId' | 'stuffId'> & { stuffId: number | null } & { newAddition: boolean } = {
   stuffId: null,
diff --git a/frontend/src/services/api.ts b/frontend/src/services/api.ts
index 7a31c9e..f076e74 100644
--- a/frontend/src/services/api.ts
+++ b/frontend/src/services/api.ts
@@ -132,11 +132,11 @@ export const toBuyApi = {
 
   },
 
-  addByRecipe: async (recipeId: number): Promise<any> => {
+  addByRecipe: async (recipeId: number, servings: number): Promise<any> => {
     const response = await fetch(`${API_BASE_URL}/api/tobuy/addByRecipe`, {
       method: 'POST',
       headers: getHeaders(),
-      body: JSON.stringify({ recipeId }),
+      body: JSON.stringify({ recipeId, servings }),
     })
     if (!response.ok) {
       throw new Error(TOBUY_ERRORS.CREATE_FAILED);