diff --git a/MdePkg/Include/IndustryStandard/SmBios.h b/MdePkg/Include/IndustryStandard/SmBios.h
index def874be28..ea23685851 100644
--- a/MdePkg/Include/IndustryStandard/SmBios.h
+++ b/MdePkg/Include/IndustryStandard/SmBios.h
@@ -2503,6 +2503,15 @@ typedef struct {
   UINT8                             DevFuncNum;
 } SMBIOS_TABLE_TYPE41;
 
+///
+///  Management Controller Host Interface - Protocol Record Data Format.
+///
+typedef struct {
+  UINT8                        ProtocolType;
+  UINT8                        ProtocolTypeDataLen;
+  UINT8                        ProtocolTypeData[1];
+} MC_HOST_INTERFACE_PROTOCOL_RECORD;
+
 ///
 /// Management Controller Host Interface - Interface Types.
 /// 00h - 3Fh: MCTP Host Interfaces