diff --git a/PennyPack.xcodeproj/project.pbxproj b/PennyPack.xcodeproj/project.pbxproj
index 175075f..4ef9143 100644
--- a/PennyPack.xcodeproj/project.pbxproj
+++ b/PennyPack.xcodeproj/project.pbxproj
@@ -584,7 +584,7 @@
 				CODE_SIGN_STYLE = Automatic;
 				CURRENT_PROJECT_VERSION = 1;
 				DEVELOPMENT_ASSET_PATHS = "\"PennyPack/Preview Content\"";
-				DEVELOPMENT_TEAM = R83JF9K5WA;
+				DEVELOPMENT_TEAM = 7P4U6S44RJ;
 				ENABLE_PREVIEWS = YES;
 				GENERATE_INFOPLIST_FILE = YES;
 				INFOPLIST_FILE = PennyPack/Info.plist;
@@ -624,7 +624,7 @@
 				CODE_SIGN_STYLE = Automatic;
 				CURRENT_PROJECT_VERSION = 1;
 				DEVELOPMENT_ASSET_PATHS = "\"PennyPack/Preview Content\"";
-				DEVELOPMENT_TEAM = R83JF9K5WA;
+				DEVELOPMENT_TEAM = 7P4U6S44RJ;
 				ENABLE_PREVIEWS = YES;
 				GENERATE_INFOPLIST_FILE = YES;
 				INFOPLIST_FILE = PennyPack/Info.plist;
diff --git a/PennyPack/App/PennyPackApp.swift b/PennyPack/App/PennyPackApp.swift
index 2d56928..d534b46 100644
--- a/PennyPack/App/PennyPackApp.swift
+++ b/PennyPack/App/PennyPackApp.swift
@@ -1,11 +1,27 @@
 import SwiftUI
+import SwiftData
 
 @main
 struct PennyPackApp: App {
     
+    var modelContainer: ModelContainer = {
+        let schema = Schema([ListManager.self, ShoppingManager.self])    // ModelContainer를 생성하려면 우선 사용할 모델들을 스키마로 만들어준다.
+        let modelConfiguration = ModelConfiguration(schema: schema, isStoredInMemoryOnly: false)
+        // ModelConfiguration을 생성해 모델 관리 규칙을 설정해준다.
+        // ModelConfiguration 옵션으로는 여러 가지가 있는데, (프리뷰 등에서 데이터를 메모리 상에서만 관리할지 여부를 결정하는) inStoredInMemoryOnly, (CloudKit을 사용할 때 데이터베이스를 설정하는) cloudKitbataBase 등이 있다.
+
+        do {
+            return try ModelContainer(for: schema, configurations: [modelConfiguration])
+        } catch {
+            fatalError("Could not create ModelContainer: \(error)")
+        }
+        // 마지막으로 이렇게 만든 Schema와 ModelConfiguration을 사용해 ModelContainer를 만들어준다.
+    }()
+    
     var body: some Scene {
         WindowGroup {
-            MainView(mainViewModel: MainViewModel(shoppingManager: ShoppingManager(), listManager: ListManager()))
+            MainView(mainViewModel: MainViewModel(shoppingManager: [ShoppingManager()], listManager: [ListManager()]))
         }
+        .modelContainer(modelContainer)
     }
 }
diff --git a/PennyPack/Magagers/ListManager.swift b/PennyPack/Magagers/ListManager.swift
index 316706a..e8431d8 100644
--- a/PennyPack/Magagers/ListManager.swift
+++ b/PennyPack/Magagers/ListManager.swift
@@ -1,10 +1,11 @@
 import Foundation
+import SwiftData
 
-class ListManager: ObservableObject {
-    @Published var shoppingList: [ShoppingList] = []
+@Model
+class ListManager {
+    @Relationship var shoppingList: [ShoppingList] = []
     
     init() {
-        loadShoppingListFromUserDefaults()
     }
     
     // MARK: 리스트에 새 값 추가 함수
@@ -24,24 +25,7 @@ class ListManager: ObservableObject {
     
     func removeList(at offsets: IndexSet) {
         shoppingList.remove(atOffsets: offsets)
-        saveShoppingListToUserDefaults()
 
         print("Updated shoppingList: \(shoppingList)")
     }
-                     
-    // MARK: 데이터를 인코딩하고 UserDefaults에 저장
-    func saveShoppingListToUserDefaults() {
-        if let encoded = try? JSONEncoder().encode(shoppingList) {
-            UserDefaults.standard.set(encoded, forKey: "shoppingList")
-        }
-    }
-    
-    func loadShoppingListFromUserDefaults() {
-        if let savedData = UserDefaults.standard.data(forKey: "shoppingList") {
-            if let saveLists = try? JSONDecoder().decode([ShoppingList].self, from: savedData) {
-                self.shoppingList = saveLists
-            }
-        }
-    }
-    
 }
diff --git a/PennyPack/Magagers/ShoppingManager.swift b/PennyPack/Magagers/ShoppingManager.swift
index 98a51f9..be06056 100644
--- a/PennyPack/Magagers/ShoppingManager.swift
+++ b/PennyPack/Magagers/ShoppingManager.swift
@@ -1,15 +1,16 @@
 import Foundation
+import SwiftData
 
-class ShoppingManager:ObservableObject {
-    @Published var receiptDate: [ReceiptDate] = []
-    @Published var cartItem: [CartItem] = []
-    @Published var selectedReceiptDate: ReceiptDate?
+@Model
+class ShoppingManager {
+    var receiptDate: [ReceiptDate] = []
+    var cartItem: [CartItem] = []
+    var selectedReceiptDate: ReceiptDate?
     
-    @Published var nowBudget: Int?
-    @Published var nowPlace: String = ""
+    var nowBudget: Int?
+    var nowPlace: String = ""
     
     init(){        
-        loadShoppingListFromUserDefaults()
     }
     // MARK: 리스트에 새 값 추가 함수
     func addNewCartItem(korName: String, frcName: String, quantity: Int, korUnitPrice: Int, frcUnitPrice: Double) -> CartItem {
@@ -23,25 +24,8 @@ class ShoppingManager:ObservableObject {
         print("Updated shoppingList: \(cartItem)")
     }
     
-    // MARK: 데이터를 인코딩하고 UserDefaults에 저장
-    func saveShoppingListToUserDefaults() {
-        if let encoded = try? JSONEncoder().encode(receiptDate) {
-            UserDefaults.standard.set(encoded, forKey: "receiptDate")
-        }
-        
-        print("save 됨")
-    }
-    
     // MARK: UserDefaults에서 데이터를 불러오기
     func loadShoppingListFromUserDefaults() {
-        if let savedData = UserDefaults.standard.data(forKey: "receiptDate") {
-            if let saveLists = try? JSONDecoder().decode([ReceiptDate].self, from: savedData){
-                receiptDate = saveLists
-            }
-        }
-        print("load 됨")
-        print("*******************************")
-        
         for item in receiptDate {
             print("날짜: \(item.date)")
             for index in item.items{
diff --git a/PennyPack/ViewModels/CartViewModel.swift b/PennyPack/ViewModels/CartViewModel.swift
index e046e47..dceb525 100644
--- a/PennyPack/ViewModels/CartViewModel.swift
+++ b/PennyPack/ViewModels/CartViewModel.swift
@@ -1,9 +1,9 @@
 import Foundation
 import SwiftUI
 
-class CartViewModel: ObservableObject{
-    @Published var shoppingManager: ShoppingManager
-    @Published var listManager: ListManager
+class CartViewModel: ObservableObject {
+    @Bindable var shoppingManager: ShoppingManager
+    @Bindable var listManager: ListManager
     
     @Published var recognizedText = ""
     @Published var isAlert: Bool = false
diff --git a/PennyPack/ViewModels/MainViewModel.swift b/PennyPack/ViewModels/MainViewModel.swift
index 3f67b66..560999c 100644
--- a/PennyPack/ViewModels/MainViewModel.swift
+++ b/PennyPack/ViewModels/MainViewModel.swift
@@ -1,11 +1,12 @@
 import Foundation
 import SwiftUI
+import SwiftData
 
-class MainViewModel: ObservableObject{
-    @Published var shoppingManager: ShoppingManager
-    @Published var listManager: ListManager
+class MainViewModel: ObservableObject {
+    @Published var shoppingManager: [ShoppingManager]
+    @Published var listManager: [ListManager]
     
-    init(shoppingManager: ShoppingManager, listManager: ListManager) {
+    init(shoppingManager: [ShoppingManager], listManager: [ListManager]) {
         self.shoppingManager = shoppingManager
         self.listManager = listManager
     }
diff --git a/PennyPack/Views/CartView/CartView.swift b/PennyPack/Views/CartView/CartView.swift
index 74624c0..67e6a7e 100644
--- a/PennyPack/Views/CartView/CartView.swift
+++ b/PennyPack/Views/CartView/CartView.swift
@@ -4,7 +4,7 @@ import SwiftUI
 struct CartView: View {
     @EnvironmentObject var pathRouter: PathRouter
     @Environment(\.dismiss) var dismiss
-    @ObservedObject var cartViewModel: CartViewModel
+    @StateObject var cartViewModel: CartViewModel
     
     @FocusState var focusedField: Field?
     
@@ -213,7 +213,7 @@ struct CartView: View {
                             .foregroundColor(.pBlue)
                     }
                 }
-                ToolbarItem(placement: .principal){
+                ToolbarItem(placement: .principal) {
                     Text("장보기")
                         .font(.PTitle2)
                         .foregroundColor(.pWhite)
@@ -226,7 +226,7 @@ struct CartView: View {
                             cartViewModel.listManager.shoppingList[index].isPurchase = cartViewModel.listManager.shoppingList[index].isChoise
                         }
                         
-                        cartViewModel.listManager.saveShoppingListToUserDefaults()
+//                        cartViewModel.listManager.saveShoppingListToUserDefaults()
                     }) {
                         Text("종료")
                             .foregroundColor(.pBlue)
@@ -265,7 +265,8 @@ struct CartView: View {
                             }
                             .hideKeyboard()
                             
-                            HStack(spacing: 0){                                TextField("1", text: Binding(
+                            HStack(spacing: 0){                                
+                                TextField("1", text: Binding(
                                     get: { String(cartViewModel.shoppingManager.cartItem[index].quantity) },
                                     set: { newValue in
                                         if let intValue = Int(newValue) {
diff --git a/PennyPack/Views/CartView/CustomAlertView.swift b/PennyPack/Views/CartView/CustomAlertView.swift
index 568f7a7..0be0a92 100644
--- a/PennyPack/Views/CartView/CustomAlertView.swift
+++ b/PennyPack/Views/CartView/CustomAlertView.swift
@@ -66,7 +66,7 @@ struct CustomAlertView: View {
                         
                         cartViewModel.shoppingManager.receiptDate.append(receiptDate)
                         cartViewModel.shoppingManager.cartItem = []
-                        cartViewModel.shoppingManager.saveShoppingListToUserDefaults()
+                        cartViewModel.shoppingManager
                         
                     } label: {
                         Text("종료하기")
diff --git a/PennyPack/Views/Components/DropdownListView.swift b/PennyPack/Views/Components/DropdownListView.swift
index 4be4443..560d609 100644
--- a/PennyPack/Views/Components/DropdownListView.swift
+++ b/PennyPack/Views/Components/DropdownListView.swift
@@ -1,7 +1,8 @@
 import SwiftUI
 
 struct DropdownListView: View {
-    @ObservedObject var listManager: ListManager
+    @Environment(\.modelContext) private var context
+    @Bindable var listManager: ListManager
     
     var body: some View {
         VStack(spacing: 0){
diff --git a/PennyPack/Views/MainView/ListView.swift b/PennyPack/Views/MainView/ListView.swift
index 32daa87..f2f4b7b 100644
--- a/PennyPack/Views/MainView/ListView.swift
+++ b/PennyPack/Views/MainView/ListView.swift
@@ -5,23 +5,58 @@ struct ListView: View {
     var body: some View {
         VStack{
             List{
-                ForEach($mainViewModel.listManager.shoppingList, id: \.id){ $item in
-                    if !item.isPurchase {
-                        TextField("마트에서 살 물건을 이곳에 적어주세요.", text: $item.title)
+                if let firstListManager = mainViewModel.listManager.first {
+//                    ForEach($mainViewModel.listManager.shoppingList, id: \.id){ $item in
+//                        if !item.isPurchase {
+//                            TextField("마트에서 살 물건을 이곳에 적어주세요.", text: $item.title)
+//                                .onSubmit {
+//                                    mainViewModel.listManager
+//                                }
+//                        }
+//                    }
+                    ForEach(firstListManager.shoppingList, id: \.id) { item in
+                        if !item.isPurchase {
+                            TextField("마트에서 살 물건을 이곳에 적어주세요.", text: Binding(
+                                get: { item.title },
+                                set: { newValue in
+                                    if let index = firstListManager.shoppingList.firstIndex(where: { $0.id == item.id }) {
+                                        firstListManager.shoppingList[index].title = newValue
+                                    }
+                                }
+                            ))
                             .onSubmit {
-                                mainViewModel.listManager.saveShoppingListToUserDefaults()
+                                // addList 호출은 데이터 모델로 위임
+                                firstListManager.addList(title: "새로운 항목")
                             }
+                        }
+                    }
+                    .onDelete { indexSet in
+                        // 삭제 처리: firstListManager에서 해당 항목 삭제
+                        firstListManager.removeList(at: indexSet)
                     }
+                } else {
+                    Text("목록이 비어 있어요!")
                 }
-                .onDelete(perform: mainViewModel.listManager.removeList)
-                .listRowSeparator(.hidden)
-                .listRowBackground(
-                    Rectangle()
-                        .foregroundColor(.pWhite)
-                        .cornerRadius(12)
-                )
+                //                ForEach($mainViewModel.listManager.shoppingList, id: \.id){ $item in
+                //                    if !item.isPurchase {
+                //                        TextField("마트에서 살 물건을 이곳에 적어주세요.", text: $item.title)
+                //                            .onSubmit {
+                //                                mainViewModel.listManager
+                //                            }
+                //                    }
+                //                }
+                //                .onDelete(perform: mainViewModel.listManager.removeList)
+                //                .listRowSeparator(.hidden)
+                //                .listRowBackground(
+                //                    Rectangle()
+                //                        .foregroundColor(.pWhite)
+                //                        .cornerRadius(12)
+                //                )
                 Button {
-                    mainViewModel.listManager.addList(title: "")
+//                    mainViewModel.listManager.addList(title: "")
+                    if let firstListManager = mainViewModel.listManager.first {
+                            firstListManager.addList(title: "새로운 항목")
+                        }
                 } label: {
                     HStack{
                         Spacer()
@@ -36,20 +71,26 @@ struct ListView: View {
                         Spacer()
                     }
                 } .listRowSeparator(.hidden)
-                .listRowBackground(
-                    Rectangle()
-                        .foregroundColor(.pWhite)
-                        .cornerRadius(12)
-                )
+                    .listRowBackground(
+                        Rectangle()
+                            .foregroundColor(.pWhite)
+                            .cornerRadius(12)
+                    )
             }
             .listRowSpacing(8)
             .listStyle(PlainListStyle())
             .padding(.horizontal)
             .background(.pLightGray)
+            .listRowSeparator(.hidden)
+            .listRowBackground(
+                Rectangle()
+                    .foregroundColor(.pWhite)
+                    .cornerRadius(12)
+            )
         }
     }
 }
 
 #Preview {
-    ListView(mainViewModel: MainViewModel(shoppingManager: ShoppingManager(), listManager: ListManager()))
+    ListView(mainViewModel: MainViewModel(shoppingManager: [ShoppingManager()], listManager: [ListManager()]))
 }
diff --git a/PennyPack/Views/MainView/MainView.swift b/PennyPack/Views/MainView/MainView.swift
index 08d4118..130f3eb 100644
--- a/PennyPack/Views/MainView/MainView.swift
+++ b/PennyPack/Views/MainView/MainView.swift
@@ -1,8 +1,9 @@
 import SwiftUI
 
 struct MainView: View {
+    @Environment(\.modelContext) var modelContext
     @StateObject var pathRouter = PathRouter()
-    @StateObject var mainViewModel = MainViewModel(shoppingManager: ShoppingManager(), listManager: ListManager())
+    @StateObject var mainViewModel = MainViewModel(shoppingManager: [ShoppingManager()], listManager: [ListManager()])
 
     var body: some View {
         NavigationStack(path: $pathRouter.path) {
@@ -17,7 +18,7 @@ struct MainView: View {
                             .foregroundColor(.pWhite)
                         Spacer()
                         NavigationLink(
-                            destination: CalendarView(calendarViewModel: CalendarViewModel(shoppingManager: mainViewModel.shoppingManager, listManager: mainViewModel.listManager)),
+                            destination: CalendarView(calendarViewModel: CalendarViewModel(shoppingManager: mainViewModel.shoppingManager.first!, listManager: mainViewModel.listManager.first!)),
                             label: {
                                 Image(systemName: "calendar")
                                     .font(.system(size: 24))
@@ -57,7 +58,9 @@ struct MainView: View {
                         VStack(spacing: 0){
                             HStack{
                                 Button{
-                                    mainViewModel.listManager.addListShowcase(title: "")
+//                                    mainViewModel.listManager.addListShowcase(title: "")
+                                    mainViewModel.listManager.first?.addListShowcase(title: "")  // 배열에서 첫 번째 ListManager 객체를 선택하여 메서드 호출
+
                                 } label: {
                                     Text("오늘의 장보기 리스트")
                                         .font(.PTitle2)
@@ -117,15 +120,15 @@ struct MainView: View {
                 
             }
             .onAppear{
-                mainViewModel.shoppingManager.loadShoppingListFromUserDefaults()
-                mainViewModel.listManager.loadShoppingListFromUserDefaults()
+                mainViewModel.shoppingManager
+                mainViewModel.listManager
             }
             .environmentObject(pathRouter)
             .navigationDestination(for: NavigationRoute.self) { route in
                 switch route {
                 case .result:
                     VStack {
-                        ResultView(resultViewModel: ResultViewModel(shoppingManager: mainViewModel.shoppingManager, listManager: mainViewModel.listManager))
+                        ResultView(resultViewModel: ResultViewModel(shoppingManager: mainViewModel.shoppingManager.first!, listManager: mainViewModel.listManager.first!))
                         Button {
                             pathRouter.removeAll()
                         } label: {
@@ -133,7 +136,7 @@ struct MainView: View {
                         }
                     }
                 case .cart:
-                    CartView(cartViewModel: CartViewModel(shoppingManager: mainViewModel.shoppingManager, listManager: mainViewModel.listManager))
+                    CartView(cartViewModel: CartViewModel(shoppingManager: mainViewModel.shoppingManager.first!, listManager: mainViewModel.listManager.first!))
                 }
             }
         }.navigationBarBackButtonHidden()
@@ -142,6 +145,6 @@ struct MainView: View {
 }
 
 #Preview {
-    MainView(mainViewModel: MainViewModel(shoppingManager: ShoppingManager(), listManager: ListManager()))
+    MainView(mainViewModel: MainViewModel(shoppingManager: [ShoppingManager()], listManager: [ListManager()]))
 }