diff --git a/Projects/App/Sources/Application/NeedleGenerated.swift b/Projects/App/Sources/Application/NeedleGenerated.swift
index ff0e9375..64bbd30e 100644
--- a/Projects/App/Sources/Application/NeedleGenerated.swift
+++ b/Projects/App/Sources/Application/NeedleGenerated.swift
@@ -35,6 +35,7 @@ import MainFeature
 import MainFeatureInterface
 import MajorDomain
 import MajorDomainInterface
+import MyPageFeatureInterface
 import NeedleFoundation
 import RootFeature
 import SigninFeature
diff --git a/Projects/Feature/InputPrizeInfoFeature/Sources/Model/InputPrizeInfoModel.swift b/Projects/Feature/InputPrizeInfoFeature/Sources/Model/InputPrizeInfoModel.swift
index 8773e0be..8151ff1a 100644
--- a/Projects/Feature/InputPrizeInfoFeature/Sources/Model/InputPrizeInfoModel.swift
+++ b/Projects/Feature/InputPrizeInfoFeature/Sources/Model/InputPrizeInfoModel.swift
@@ -52,5 +52,4 @@ extension InputPrizeInfoModel: InputPrizeInfoActionProtocol {
     func updateIsPresentedPrizeAtDatePicker(isPresented: Bool) {
         self.isPresentedPrizeAtDatePicker = isPresented
     }
-
 }
diff --git a/Projects/Feature/MyPageFeature/Sources/Model/MyPageModel.swift b/Projects/Feature/MyPageFeature/Sources/Model/MyPageModel.swift
index d1f8159b..35575d30 100644
--- a/Projects/Feature/MyPageFeature/Sources/Model/MyPageModel.swift
+++ b/Projects/Feature/MyPageFeature/Sources/Model/MyPageModel.swift
@@ -46,6 +46,12 @@ final class MyPageModel: ObservableObject, MyPageStateProtocol {
     @Published var isPresentedProjectStartAtDatePicker: Bool = false
     @Published var isPresentedProjectEndAtDatePicker: Bool = false
     @Published var isPresentedProjectTechStackAppend: Bool = false
+
+    // MARK: Prize
+    @Published var prizeList: [PrizeModel] = []
+    @Published var collapsedPrize: [Bool] = []
+    @Published var isPresentedPrizeAtDatePicker: Bool = false
+    @Published var focusedPrizeIndex: Int = 0
 }
 
 extension MyPageModel: MyPageActionProtocol {}
diff --git a/Projects/Feature/MyPageFeature/Sources/Model/MyPagePrizeModel.swift b/Projects/Feature/MyPageFeature/Sources/Model/MyPagePrizeModel.swift
index 954dd727..e126fe20 100644
--- a/Projects/Feature/MyPageFeature/Sources/Model/MyPagePrizeModel.swift
+++ b/Projects/Feature/MyPageFeature/Sources/Model/MyPagePrizeModel.swift
@@ -1,9 +1,77 @@
-//
-//  MyPagePrizeModel.swift
-//  MyPageFeature
-//
-//  Created by 최형우 on 2023/08/02.
-//  Copyright © 2023 com.msg. All rights reserved.
-//
-
 import Foundation
+import DateUtil
+
+struct PrizeModel: Equatable {
+    var name: String
+    var prize: String
+    var prizeAt: Date
+
+    var prizeAtString: String {
+        prizeAt.toStringCustomFormat(format: "yyyy.MM")
+    }
+}
+
+protocol MyPagePrizeStateProtocol {
+    var prizeList: [PrizeModel] { get }
+    var collapsedPrize: [Bool] { get }
+    var isPresentedPrizeAtDatePicker: Bool { get }
+    var focusedPrizeIndex: Int { get }
+}
+
+protocol MyPagePrizeActionProtocol: AnyObject {
+    func toggleCollapsedPrize(index: Int)
+    func updatePrizeName(index: Int, name: String)
+    func updatePrizePrize(index: Int, prize: String)
+    func updatePrizePrizeAt(index: Int, prizeAt: Date)
+    func appendEmptyPrize()
+    func removePrize(index: Int)
+    func updateFocusedPrizeIndex(index: Int)
+    func updateIsPresentedPrizeAtDatePicker(isPresented: Bool)
+}
+
+extension MyPageModel: MyPagePrizeActionProtocol {
+    func toggleCollapsedPrize(index: Int) {
+        guard collapsedPrize[safe: index] != nil else { return }
+        self.collapsedPrize[index].toggle()
+    }
+
+    func updatePrizeName(index: Int, name: String) {
+        guard prizeList[safe: index] != nil else { return }
+        self.prizeList[index].name = name
+    }
+
+    func updatePrizePrize(index: Int, prize: String) {
+        guard prizeList[safe: index] != nil else { return }
+        self.prizeList[index].prize = prize
+    }
+
+    func updatePrizePrizeAt(index: Int, prizeAt: Date) {
+        guard prizeList[safe: index] != nil else { return }
+        self.prizeList[index].prizeAt = prizeAt
+    }
+
+    func appendEmptyPrize() {
+        let newPrize = PrizeModel(
+            name: "",
+            prize: "",
+            prizeAt: Date()
+        )
+        self.prizeList.append(newPrize)
+        self.collapsedPrize.append(false)
+    }
+
+    func removePrize(index: Int) {
+        guard prizeList[safe: index] != nil, collapsedPrize[safe: index] != nil else { return }
+        self.prizeList.remove(at: index)
+        self.collapsedPrize.remove(at: index)
+    }
+
+    func updateFocusedPrizeIndex(index: Int) {
+        self.focusedPrizeIndex = index
+    }
+
+    func updateIsPresentedPrizeAtDatePicker(isPresented: Bool) {
+        self.isPresentedPrizeAtDatePicker = isPresented
+    }
+
+}