diff --git a/Assets/_DDD/_Scripts/GameUi/BaseUi.cs b/Assets/_DDD/_Scripts/GameUi/BaseUi.cs
index da48fc1dd..33de6cac5 100644
--- a/Assets/_DDD/_Scripts/GameUi/BaseUi.cs
+++ b/Assets/_DDD/_Scripts/GameUi/BaseUi.cs
@@ -4,8 +4,14 @@ namespace DDD
 {
     public abstract class BaseUi : MonoBehaviour
     {
+        protected GameObject _panel;
         public virtual bool IsBlockingTime => false;
         public virtual bool IsOpen => gameObject.activeSelf;
+
+        protected virtual void Awake()
+        {
+            _panel = transform.Find(CommonConstants.Panel).gameObject;
+        }
         
         protected virtual void Start()
         {
@@ -20,7 +26,7 @@ protected virtual void OnDestroy()
         protected virtual void TryRegister() { }
         protected virtual void TryUnregister() { }
 
-        public virtual void Open() => gameObject.SetActive(true);
-        public virtual void Close() => gameObject.SetActive(false);
+        public virtual void Open() => _panel.SetActive(true);
+        public virtual void Close() => _panel.SetActive(false);
     }
 }
\ No newline at end of file
diff --git a/Assets/_DDD/_Scripts/GameUi/GlobalMessageUi.cs b/Assets/_DDD/_Scripts/GameUi/GlobalMessageUi.cs
index 7d08b9621..da527157a 100644
--- a/Assets/_DDD/_Scripts/GameUi/GlobalMessageUi.cs
+++ b/Assets/_DDD/_Scripts/GameUi/GlobalMessageUi.cs
@@ -14,20 +14,27 @@ public class GlobalMessageUi : BaseUi, IEventHandler<ShowGlobalMessageEvent>
         private readonly Queue<ShowGlobalMessageEvent> _messageQueue = new();
         private bool _isDisplayingMessage = false;
 
-        private void Awake()
+        protected override void Awake()
         {
+            base.Awake();
+            
             _canvasGroup = GetComponent<CanvasGroup>();
             _messageText = GetComponentInChildren<TextMeshProUGUI>();
             
             _canvasGroup.alpha = 0;
             _messageText.text = null;
+        }
+
+        protected override void TryRegister()
+        {
+            base.TryRegister();
             
             EventBus.Register(this);
         }
 
-        protected override void OnDestroy()
+        protected override void TryUnregister()
         {
-            base.OnDestroy();
+            base.TryUnregister();
             
             EventBus.Unregister(this);
             _fadeTween?.Kill();
diff --git a/Assets/_DDD/_Scripts/GameUi/PopupUi.cs b/Assets/_DDD/_Scripts/GameUi/PopupUi.cs
index 830988d16..a8a976c06 100644
--- a/Assets/_DDD/_Scripts/GameUi/PopupUi.cs
+++ b/Assets/_DDD/_Scripts/GameUi/PopupUi.cs
@@ -1,7 +1,78 @@
+using System;
+using System.Collections.Generic;
+using UnityEngine;
+using UnityEngine.InputSystem;
+
 namespace DDD
 {
     public class PopupUi : BaseUi
     {
+        protected UiInputBindingSo _uiInputBindingSo;
+        protected readonly List<(InputAction action, Action<InputAction.CallbackContext> handler)> _registeredHandlers = new();
         
+        protected override async void TryRegister()
+        {
+            base.TryRegister();
+            UiManager.Instance.RegisterPopupUI(this);
+            
+            // So의 이름을 통일 : TestUi_UiInputBindingSo
+            string addressableKey = $"{GetType().Name}_{DataConstants.UiInputBindingSo}";
+            _uiInputBindingSo = await AssetManager.LoadAsset<UiInputBindingSo>(addressableKey);
+            Debug.Assert(_uiInputBindingSo != null, "_uiInputBindingSo != null");
+
+            foreach (var binding in _uiInputBindingSo.Bindings)
+            {
+                if (binding.InputAction == null) continue;
+
+                var action = binding.InputAction.action;
+                if (action == null) continue;
+
+                var handler = new Action<InputAction.CallbackContext>(ctx =>
+                {
+                    if (UiManager.Instance.IsTopPopup(this))
+                    {
+                        OnInputPerformed(binding.ActionName, ctx);
+                    }
+                });
+
+                action.Enable();
+                action.performed += handler;
+
+                _registeredHandlers.Add((action, handler));
+            }
+        }
+        
+        protected override void TryUnregister()
+        {
+            base.TryUnregister();
+            UiManager.Instance.UnregisterPopupUI(this);
+            
+            foreach (var (action, handler) in _registeredHandlers)
+            {
+                if (action != null)
+                {
+                    action.performed -= handler;
+                    action.Disable();
+                }
+            }
+
+            _registeredHandlers.Clear();
+        }
+
+        public override void Open()
+        {
+            base.Open();
+            
+            transform.SetAsLastSibling();
+            
+            if (UiManager.Instance.IsTopPopup(this))
+            {
+                InputManager.Instance.SwitchCurrentActionMap(_uiInputBindingSo.InputActionMaps);
+            }
+        }
+
+        protected virtual void OnInputPerformed(string actionName, InputAction.CallbackContext ctx) { }
+        
+        public InputActionMaps GetInputActionMaps() => _uiInputBindingSo.InputActionMaps;
     }
 }
\ No newline at end of file
diff --git a/Assets/_DDD/_Scripts/GameUi/UiManager.cs b/Assets/_DDD/_Scripts/GameUi/UiManager.cs
index eaeccd36b..4e0eaf487 100644
--- a/Assets/_DDD/_Scripts/GameUi/UiManager.cs
+++ b/Assets/_DDD/_Scripts/GameUi/UiManager.cs
@@ -1,5 +1,6 @@
 using System;
 using System.Collections.Generic;
+using System.Linq;
 using System.Threading.Tasks;
 
 namespace DDD
@@ -7,6 +8,8 @@ namespace DDD
     public class UiManager : Singleton<UiManager>, IManager, IEventHandler<OpenPopupUiEvent>, IEventHandler<ClosePopupUiEvent>
     {
         private readonly Dictionary<Type, PopupUi> _popupUIs = new();
+        private readonly Stack<PopupUi> _popupStack = new();
+        private InputActionMaps _previousActionMap = InputActionMaps.None;
 
         private readonly object _uiPauseRequester = new();
 
@@ -51,14 +54,18 @@ public void Invoke(OpenPopupUiEvent evt)
         {
             if (_popupUIs.TryGetValue(evt.UiType, out var popup))
             {
-                popup.Open();
-
-                if (popup.IsBlockingTime)
+                if (!popup.IsOpen)
                 {
-                    var timeScaleChangeEvent = GameEvents.RequestTimeScaleChangeEvent;
-                    timeScaleChangeEvent.Requester = popup;
-                    timeScaleChangeEvent.NewTimeScale = 0f;
-                    EventBus.Broadcast(timeScaleChangeEvent);
+                    popup.Open();
+                    PushPopup(popup);
+
+                    if (popup.IsBlockingTime)
+                    {
+                        var timeScaleChangeEvent = GameEvents.RequestTimeScaleChangeEvent;
+                        timeScaleChangeEvent.Requester = popup;
+                        timeScaleChangeEvent.NewTimeScale = 0f;
+                        EventBus.Broadcast(timeScaleChangeEvent);
+                    }
                 }
             }
         }
@@ -67,16 +74,65 @@ public void Invoke(ClosePopupUiEvent evt)
         {
             if (_popupUIs.TryGetValue(evt.UiType, out var popup))
             {
-                popup.Close();
-
-                if (popup.IsBlockingTime)
+                if (popup.IsOpen)
                 {
-                    var timeScaleChangeEvent = GameEvents.RequestTimeScaleChangeEvent;
-                    timeScaleChangeEvent.Requester = popup;
-                    timeScaleChangeEvent.NewTimeScale = 1f;
-                    EventBus.Broadcast(timeScaleChangeEvent);
+                    popup.Close();
+                    PopPopup(popup);
+
+                    if (popup.IsBlockingTime)
+                    {
+                        var timeScaleChangeEvent = GameEvents.RequestTimeScaleChangeEvent;
+                        timeScaleChangeEvent.Requester = popup;
+                        timeScaleChangeEvent.NewTimeScale = 1f;
+                        EventBus.Broadcast(timeScaleChangeEvent);
+                    }
                 }
             }
         }
+        
+        public bool IsTopPopup(PopupUi popup)
+        {
+            return _popupStack.Count > 0 && _popupStack.Peek() == popup;
+        }
+        
+        public void PushPopup(PopupUi popup)
+        {
+            if (_popupStack.Contains(popup)) return;
+            
+            if (_popupStack.Count == 0)
+            {
+                _previousActionMap = InputManager.Instance.GetCurrentActionMap();
+            }
+
+            _popupStack.Push(popup);
+        }
+        
+        public void PopPopup(PopupUi popup)
+        {
+            if (_popupStack.Count == 0) return;
+
+            if (_popupStack.Peek() == popup)
+            {
+                _popupStack.Pop();
+            }
+            else
+            {
+                var temp = _popupStack.Reverse().Where(p => p != popup).Reverse().ToList();
+                _popupStack.Clear();
+                foreach (var p in temp)
+                {
+                    _popupStack.Push(p);
+                }
+            }
+            
+            if (_popupStack.TryPeek(out var topPopup) && topPopup.IsOpen)
+            {
+                InputManager.Instance.SwitchCurrentActionMap(topPopup.GetInputActionMaps());
+            }
+            else
+            {
+                InputManager.Instance.SwitchCurrentActionMap(_previousActionMap);
+            }
+        }
     }
 }
\ No newline at end of file
diff --git a/Assets/_DDD/_Scripts/InputSystem/InputManager.cs b/Assets/_DDD/_Scripts/InputSystem/InputManager.cs
index c39d3a2df..73924ae98 100644
--- a/Assets/_DDD/_Scripts/InputSystem/InputManager.cs
+++ b/Assets/_DDD/_Scripts/InputSystem/InputManager.cs
@@ -1,50 +1,44 @@
 using System;
+using System.Threading.Tasks;
 using UnityEngine;
 using UnityEngine.InputSystem;
 
 namespace DDD
 {
+    public static class InputActionMapExtensions
+    {
+        public static string ToName(this InputActionMaps map)
+        {
+            return map.ToString();
+        }
+    }
+    
     public enum InputActionMaps
     {
         None = 0,
         Ui = 1,
         Restaurant = 2,
-    }
-    
-    [Flags]
-    public enum RestaurantActions
-    {
-        None = 0,
-        Move = 1<<0,
-        Dash = 1<<1,
-        Interact = 1<<2
+        RestaurantUi = 3
     }
 
-    public class InputManager : Singleton<InputManager>
+    public class InputManager : Singleton<InputManager>, IManager
     {
         private PlayerInput _currentPlayerInput;
-
-        protected override void OnAwake()
+        
+        public void PreInit()
         {
-            base.OnAwake();
-            
             _currentPlayerInput = GetComponent<PlayerInput>();
         }
-        
-        // public void ChangeScene(SceneType sceneType)
-        // {
-        //     switch (sceneType)
-        //     {
-        //         case SceneType.Title:
-        //             SwitchCurrentActionMap(InputActionMaps.Ui);
-        //             break;
-        //         case SceneType.Restaurant:
-        //             SwitchCurrentActionMap(InputActionMaps.Restaurant);
-        //             break;
-        //         default:
-        //             throw new System.Exception("Invalid scene name");
-        //     }
-        // }
+
+        public Task Init()
+        {
+            return Task.CompletedTask;
+        }
+
+        public void PostInit()
+        {
+            
+        }
 
         private bool IsNullCurrentPlayerInput()
         {
@@ -54,193 +48,25 @@ private bool IsNullCurrentPlayerInput()
             return true;
         }
 
-        public InputAction GetAction(InputActionMaps actionMapName, string actionName)
-        {
-            if (IsNullCurrentPlayerInput()) return null;
-
-            var actionMap = _currentPlayerInput.actions.FindActionMap(actionMapName.ToString(), true);
-            if (actionMap == null)
-            {
-                Debug.LogError($"Action Map '{actionMapName}' not found!");
-                return null;
-            }
-
-            var action = actionMap.FindAction(actionName, true);
-            if (action == null)
-            {
-                Debug.LogError($"Action '{actionName}' not found in Action Map '{actionMapName}'!");
-            }
-
-            return action;
-        }
-
-        public string GetBoundKey(InputActionMaps actionMapName, string actionName)
-        {
-            if (IsNullCurrentPlayerInput()) return null;
-
-            var actionMap = _currentPlayerInput.actions.FindActionMap(actionMapName.ToString(), true);
-            if (actionMap == null)
-            {
-                Debug.LogError($"Action Map '{actionMapName}' not found!");
-                return null;
-            }
-
-            var action = actionMap.FindAction(actionName, true);
-            if (action == null)
-            {
-                Debug.LogError($"Action '{actionName}' not found in Action Map '{actionMapName}'!");
-                return null;
-            }
-
-            // 첫 번째 바인딩에서 키 이름 가져오기
-            foreach (var binding in action.bindings)
-            {
-                if (!string.IsNullOrEmpty(binding.path))
-                {
-                    // 키 이름만 추출
-                    var key = InputControlPath.ToHumanReadableString(binding.path,
-                        InputControlPath.HumanReadableStringOptions.OmitDevice);
-                    return key;
-                }
-            }
-
-            Debug.LogWarning($"No bindings found for action '{actionName}' in Action Map '{actionMapName}'.");
-            return null;
-        }
-
-        public string GetBoundKey(InputAction inputAction)
-        {
-            if (IsNullCurrentPlayerInput()) return null;
-
-            if (inputAction == null)
-            {
-                Debug.LogError($"Action not found'!");
-                return null;
-            }
-
-            // 첫 번째 바인딩에서 키 이름 가져오기
-            foreach (var binding in inputAction.bindings)
-            {
-                if (!string.IsNullOrEmpty(binding.path))
-                {
-                    // 키 이름만 추출
-                    var key = InputControlPath.ToHumanReadableString(binding.path,
-                        InputControlPath.HumanReadableStringOptions.OmitDevice);
-                    return key;
-                }
-            }
-
-            Debug.LogWarning($"No bindings found for action '{inputAction}'");
-            return null;
-        }
-
-        public bool IsCurrentActionMap(InputActionMaps inputActionMaps)
-        {
-            if (IsNullCurrentPlayerInput()) return false;
-
-            return _currentPlayerInput.currentActionMap.ToString() == inputActionMaps.ToString();
-        }
-
-        public void SwitchCurrentActionMap(string inputActionMaps)
-        {
-            if (IsNullCurrentPlayerInput()) return;
-
-            _currentPlayerInput.SwitchCurrentActionMap(inputActionMaps);
-        }
-
         public void SwitchCurrentActionMap(InputActionMaps inputActionMaps)
         {
-            if (IsNullCurrentPlayerInput()) return;
+            if (IsNullCurrentPlayerInput() || inputActionMaps == InputActionMaps.None) return;
 
-            _currentPlayerInput.SwitchCurrentActionMap(inputActionMaps.ToString());
+            _currentPlayerInput.SwitchCurrentActionMap(inputActionMaps.ToName());
         }
 
-        public InputActionMap GetCurrentInputActionMap()
+        public InputActionMaps GetCurrentActionMap()
         {
-            if (IsNullCurrentPlayerInput()) return null;
+            if (IsNullCurrentPlayerInput()) return InputActionMaps.None;
 
-            return _currentPlayerInput.currentActionMap;
-        }
-
-        public void EnableCurrentPlayerInput()
-        {
-            if (!_currentPlayerInput) return;
-
-            _currentPlayerInput.enabled = true;
-        }
-
-        public void DisableCurrentPlayerInput()
-        {
-            if (IsNullCurrentPlayerInput()) return;
-
-            _currentPlayerInput.enabled = false;
-        }
-
-        public void DisableAllActionMaps()
-        {
-            if (IsNullCurrentPlayerInput()) return;
-
-            foreach (var element in _currentPlayerInput.actions.actionMaps)
+            string mapName = _currentPlayerInput.currentActionMap.name;
+            if (Enum.TryParse(mapName, out InputActionMaps parsedMap))
             {
-                element.Disable();
+                return parsedMap;
             }
-        }
-
-        public void DisableAllActionsExcept(string exceptActionName)
-        {
-            if (IsNullCurrentPlayerInput()) return;
-
-            var exceptAction = _currentPlayerInput.currentActionMap.FindAction(exceptActionName);
-
-            foreach (var action in _currentPlayerInput.currentActionMap.actions)
-            {
-                if (action != exceptAction)
-                {
-                    action.Disable();
-                }
-                else
-                {
-                    action.Enable();
-                }
-            }
-        }
-
-        public void EnableAllActionsMaps()
-        {
-            if (IsNullCurrentPlayerInput()) return;
-
-            foreach (var action in _currentPlayerInput.actions)
-            {
-                action.Enable();
-            }
-        }
-
-        public void EnableAction(string actionName)
-        {
-            if (IsNullCurrentPlayerInput()) return;
-
-            var action = _currentPlayerInput.currentActionMap.FindAction(actionName);
-            if (action == null)
-            {
-                Debug.Log($"현재 Action Map인 {_currentPlayerInput.currentActionMap}에는 {actionName} Action이 존재하지 않습니다");
-                return;
-            }
-
-            action.Enable();
-        }
-
-        public void DisableAction(string actionName)
-        {
-            if (IsNullCurrentPlayerInput()) return;
-
-            var action = _currentPlayerInput.currentActionMap.FindAction(actionName);
-            if (action == null)
-            {
-                Debug.Log($"현재 Action Map인 {_currentPlayerInput.currentActionMap}에는 {actionName} Action이 존재하지 않습니다");
-                return;
-            }
-
-            action.Disable();
+            
+            Debug.LogError($"[InputManager] 알 수 없는 ActionMap 이름: {mapName}");
+            return InputActionMaps.None;
         }
     }
 }
\ No newline at end of file
diff --git a/Assets/_DDD/_Scripts/InputSystem/UiActionBinding.cs b/Assets/_DDD/_Scripts/InputSystem/UiActionBinding.cs
new file mode 100644
index 000000000..1407a73d9
--- /dev/null
+++ b/Assets/_DDD/_Scripts/InputSystem/UiActionBinding.cs
@@ -0,0 +1,12 @@
+using System;
+using UnityEngine.InputSystem;
+
+namespace DDD
+{
+    [Serializable]
+    public class UiActionBinding
+    {
+        public string ActionName;
+        public InputActionReference InputAction;
+    }
+}
\ No newline at end of file
diff --git a/Assets/_DDD/_Scripts/InputSystem/UiInputBindingSo.cs b/Assets/_DDD/_Scripts/InputSystem/UiInputBindingSo.cs
new file mode 100644
index 000000000..6ae102f03
--- /dev/null
+++ b/Assets/_DDD/_Scripts/InputSystem/UiInputBindingSo.cs
@@ -0,0 +1,12 @@
+using System.Collections.Generic;
+using UnityEngine;
+
+namespace DDD
+{
+    [CreateAssetMenu(fileName = "UiInputBindingSo", menuName = "Ui/UiInputBindingSo")]
+    public class UiInputBindingSo : ScriptableObject
+    {
+        public InputActionMaps InputActionMaps;
+        public List<UiActionBinding> Bindings = new();
+    }
+}
\ No newline at end of file
diff --git a/Assets/_DDD/_Scripts/RestaurantController/RestaurantController.cs b/Assets/_DDD/_Scripts/RestaurantController/RestaurantController.cs
index 67b2afa99..b7e5afb10 100644
--- a/Assets/_DDD/_Scripts/RestaurantController/RestaurantController.cs
+++ b/Assets/_DDD/_Scripts/RestaurantController/RestaurantController.cs
@@ -70,6 +70,7 @@ public async Task OnReadyNewFlow(GameFlowState newFlowState)
                 var playerHandle = createRestaurantPlayerSoJob.OnReadyNewFlow(newFlowState);
                 var propHandle = createEnvironmentSoJob.OnReadyNewFlow(newFlowState);
                 // Combine handles and return it
+                InputManager.Instance.SwitchCurrentActionMap(InputActionMaps.Restaurant);
                 await Task.WhenAll(playerHandle, propHandle);
             }
         }
diff --git a/Assets/_DDD/_Scripts/Utilities/Constants.cs b/Assets/_DDD/_Scripts/Utilities/Constants.cs
index 0043760c8..e30f4138f 100644
--- a/Assets/_DDD/_Scripts/Utilities/Constants.cs
+++ b/Assets/_DDD/_Scripts/Utilities/Constants.cs
@@ -6,6 +6,7 @@ public static class CommonConstants
         public const string RestaurantPlayer = "RestaurantPlayer";
         public const string BaseRestaurantEnvironment = "BaseRestaurantEnvironment";
         public const string Clone = "(Clone)";
+        public const string Panel = "Panel";
     }
 
     public static class DataConstants
@@ -14,6 +15,7 @@ public static class DataConstants
         public const string FoodDataSo = "FoodDataSo";
         public const string EnvironmentDataSo = "EnvironmentDataSo";
         public const string RestaurantPlayerDataSo = "RestaurantPlayerDataSo";
+        public const string UiInputBindingSo = "UiInputBindingSo";
 
         public const string AtlasLabel = "Atlas";
         public const string BasePropSpriteMaterial = "BasePropSpriteMaterial";