diff --git a/BaseTools/Source/Python/Common/Misc.py b/BaseTools/Source/Python/Common/Misc.py
index 6abbb9a944..b32b7cdc5f 100644
--- a/BaseTools/Source/Python/Common/Misc.py
+++ b/BaseTools/Source/Python/Common/Misc.py
@@ -50,6 +50,8 @@ valuePatternGcc = re.compile('^([\w_\.]+) +([\da-fA-Fx]+) +([\da-fA-Fx]+)$')
 pcdPatternGcc = re.compile('^([\da-fA-Fx]+) +([\da-fA-Fx]+)')
 secReGeneral = re.compile('^([\da-fA-F]+):([\da-fA-F]+) +([\da-fA-F]+)[Hh]? +([.\w\$]+) +(\w+)', re.UNICODE)
 
+StructPattern = re.compile(r'[_a-zA-Z][0-9A-Za-z_]*$')
+
 ## Dictionary used to store file time stamp for quick re-access
 gFileTimeStampCache = {}    # {file path : file time stamp}
 
@@ -1459,7 +1461,7 @@ def AnalyzeDscPcd(Setting, PcdType, DataType=''):
         Size = ''
         if len(FieldList) > 1 and FieldList[1]:
             DataType = FieldList[1]
-            if FieldList[1] != TAB_VOID:
+            if FieldList[1] != TAB_VOID and StructPattern.match(FieldList[1]) is None:
                 IsValid = False
         if len(FieldList) > 2:
             Size = FieldList[2]
diff --git a/BaseTools/Source/Python/Workspace/MetaFileParser.py b/BaseTools/Source/Python/Workspace/MetaFileParser.py
index f1707c06fe..804a4aa5cb 100644
--- a/BaseTools/Source/Python/Workspace/MetaFileParser.py
+++ b/BaseTools/Source/Python/Workspace/MetaFileParser.py
@@ -29,7 +29,7 @@ import Common.GlobalData as GlobalData
 from CommonDataClass.DataClass import *
 from Common.DataType import *
 from Common.StringUtils import *
-from Common.Misc import GuidStructureStringToGuidString, CheckPcdDatum, PathClass, AnalyzePcdData, AnalyzeDscPcd, AnalyzePcdExpression, ParseFieldValue
+from Common.Misc import GuidStructureStringToGuidString, CheckPcdDatum, PathClass, AnalyzePcdData, AnalyzeDscPcd, AnalyzePcdExpression, ParseFieldValue, StructPattern
 from Common.Expression import *
 from CommonDataClass.Exceptions import *
 from Common.LongFilePathSupport import OpenLongFilePath as open
@@ -1614,8 +1614,8 @@ class DscParser(MetaFileParser):
         ValList, Valid, Index = AnalyzeDscPcd(self._ValueList[2], self._ItemType)
         if not Valid:
             if self._ItemType in (MODEL_PCD_DYNAMIC_DEFAULT, MODEL_PCD_DYNAMIC_EX_DEFAULT, MODEL_PCD_FIXED_AT_BUILD, MODEL_PCD_PATCHABLE_IN_MODULE):
-                if ValList[1] != TAB_VOID and ValList[2]:
-                    EdkLogger.error('build', FORMAT_INVALID, "Pcd format incorrect. Only VOID* type PCD need the maxsize info.", File=self._FileWithError,
+                if ValList[1] != TAB_VOID and StructPattern.match(ValList[1]) is None and ValList[2]:
+                    EdkLogger.error('build', FORMAT_INVALID, "Pcd format incorrect. The datum type info should be VOID* or a valid struct name.", File=self._FileWithError,
                                     Line=self._LineIndex + 1, ExtraData="%s.%s|%s" % (self._ValueList[0], self._ValueList[1], self._ValueList[2]))
             EdkLogger.error('build', FORMAT_INVALID, "Pcd format incorrect.", File=self._FileWithError, Line=self._LineIndex + 1,
                             ExtraData="%s.%s|%s" % (self._ValueList[0], self._ValueList[1], self._ValueList[2]))