diff --git a/Assets/Scripts/NetworkPlayerController.cs b/Assets/Scripts/NetworkPlayerController.cs
index 8bee75a..1e3009e 100644
--- a/Assets/Scripts/NetworkPlayerController.cs
+++ b/Assets/Scripts/NetworkPlayerController.cs
@@ -341,6 +341,12 @@ public class NetworkPlayerController : NetworkBehaviour, ITeamMember, IDamageabl
     [ClientRpc]
     private void HidePlayerClientRpc()
     {
+        // 로컬 플레이어만 입력 비활성화
+        if (IsLocalPlayer && _inputActions != null)
+        {
+            _inputActions.Disable();
+        }
+
         // CharacterController 비활성화 (이동 및 충돌 방지)
         if (_controller != null)
         {
@@ -361,6 +367,12 @@ public class NetworkPlayerController : NetworkBehaviour, ITeamMember, IDamageabl
     [ClientRpc]
     private void ShowPlayerClientRpc()
     {
+        // 로컬 플레이어만 입력 활성화
+        if (IsLocalPlayer && _inputActions != null)
+        {
+            _inputActions.Enable();
+        }
+
         // CharacterController 활성화
         if (_controller != null)
         {
diff --git a/Assets/Scripts/PlayerActionSystem.cs b/Assets/Scripts/PlayerActionSystem.cs
index 28ca514..12e50b9 100644
--- a/Assets/Scripts/PlayerActionSystem.cs
+++ b/Assets/Scripts/PlayerActionSystem.cs
@@ -90,6 +90,9 @@ namespace Northbound
             // UI가 열려있으면 액션 실행 안 함
             if (UpgradeListPopup.IsOpen) return;
 
+            // 플레이어가 죽어있으면 액션 실행 안 함
+            if (_networkPlayerController != null && _networkPlayerController.IsDead()) return;
+
             ExecuteAction("Attack");
         }
 
diff --git a/Assets/Scripts/PlayerInteraction.cs b/Assets/Scripts/PlayerInteraction.cs
index d77a748..660d2f3 100644
--- a/Assets/Scripts/PlayerInteraction.cs
+++ b/Assets/Scripts/PlayerInteraction.cs
@@ -179,6 +179,9 @@ namespace Northbound
 
         private void OnInteract(InputAction.CallbackContext context)
         {
+            // 플레이어가 죽어있으면 상호작용 불가
+            if (_networkPlayerController != null && _networkPlayerController.IsDead()) return;
+
             if (blockDuringAnimation && _isInteracting)
                 return;