diff --git a/Assets/TEngine/Runtime/GameFramework/Utility/Utility.Bit.cs b/Assets/TEngine/Runtime/GameFramework/Utility/Utility.Bit.cs
new file mode 100644
index 00000000..9f3d795b
--- /dev/null
+++ b/Assets/TEngine/Runtime/GameFramework/Utility/Utility.Bit.cs
@@ -0,0 +1,61 @@
+namespace TEngine
+{
+    public static partial class Utility
+    {
+        /// <summary>
+        /// 位运算相关的实用函数。
+        /// </summary>
+        public static class Bit
+        {
+            public static bool HasBit(long val, int idx)
+            {
+                return (val & 1L << idx) != 0L;
+            }
+
+            public static void SetBit(ref long val, int idx, bool isSet)
+            {
+                if (isSet)
+                {
+                    val |= (1L << idx);
+                }
+                else
+                {
+                    val &= ~(1L << idx);
+                }
+            }
+
+            public static bool HasBit(int val, int idx)
+            {
+                return (val & 1 << idx) != 0;
+            }
+
+
+            public static void SetBit(ref int val, int idx, bool isSet)
+            {
+                if (isSet)
+                {
+                    val |= (1 << idx);
+                }
+                else
+                {
+                    val &= ~(1 << idx);
+                }
+            }
+
+            public static bool HasBit(byte val, byte idx)
+            {
+                return (val & 1 << idx) != 0;
+            }
+
+            public static void SetBit(ref byte val, byte idx)
+            {
+                val |= (byte)(1 << idx);
+            }
+
+            public static byte ToByte(byte idx)
+            {
+                return (byte)(1 << idx);
+            }
+        }
+    }
+}
\ No newline at end of file
diff --git a/Assets/TEngine/Runtime/GameFramework/Utility/Utility.Bit.cs.meta b/Assets/TEngine/Runtime/GameFramework/Utility/Utility.Bit.cs.meta
new file mode 100644
index 00000000..8a0d12a1
--- /dev/null
+++ b/Assets/TEngine/Runtime/GameFramework/Utility/Utility.Bit.cs.meta
@@ -0,0 +1,3 @@
+fileFormatVersion: 2
+guid: 95d9fac2a8ff467e864aab4cd2650dfc
+timeCreated: 1682352897
\ No newline at end of file