diff --git a/UefiCpuPkg/CpuMpPei/Microcode.c b/UefiCpuPkg/CpuMpPei/Microcode.c
index 3fd3a8bb81..67280d334d 100644
--- a/UefiCpuPkg/CpuMpPei/Microcode.c
+++ b/UefiCpuPkg/CpuMpPei/Microcode.c
@@ -53,6 +53,7 @@ MicrocodeDetect (
   UINTN                                   Index;
   UINT8                                   PlatformId;
   UINT32                                  RegEax;
+  UINT32                                  CurrentRevision;
   UINT32                                  LatestRevision;
   UINTN                                   TotalSize;
   UINT32                                  CheckSum32;
@@ -69,6 +70,14 @@ MicrocodeDetect (
     return;
   }
 
+  CurrentRevision = GetCurrentMicrocodeSignature ();
+  if (CurrentRevision != 0) {
+    //
+    // Skip loading microcode if it has been loaded successfully
+    //
+    return;
+  }
+
   ExtendedTableLength = 0;
   //
   // Here data of CPUID leafs have not been collected into context buffer, so