diff --git a/MdeModulePkg/Universal/Variable/EmuRuntimeDxe/EmuVariable.c b/MdeModulePkg/Universal/Variable/EmuRuntimeDxe/EmuVariable.c
index ef9d35de9f..21a689734b 100644
--- a/MdeModulePkg/Universal/Variable/EmuRuntimeDxe/EmuVariable.c
+++ b/MdeModulePkg/Universal/Variable/EmuRuntimeDxe/EmuVariable.c
@@ -360,7 +360,7 @@ FindVariable (
 **/
 EFI_STATUS
 EFIAPI
-GetVariable (
+EmuGetVariable (
   IN      CHAR16            *VariableName,
   IN      EFI_GUID          * VendorGuid,
   OUT     UINT32            *Attributes OPTIONAL,
@@ -436,7 +436,7 @@ Done:
 **/
 EFI_STATUS
 EFIAPI
-GetNextVariableName (
+EmuGetNextVariableName (
   IN OUT  UINTN             *VariableNameSize,
   IN OUT  CHAR16            *VariableName,
   IN OUT  EFI_GUID          *VendorGuid,
@@ -550,7 +550,7 @@ Done:
 **/
 EFI_STATUS
 EFIAPI
-SetVariable (
+EmuSetVariable (
   IN CHAR16                  *VariableName,
   IN EFI_GUID                *VendorGuid,
   IN UINT32                  Attributes,
@@ -785,7 +785,7 @@ Done:
 **/
 EFI_STATUS
 EFIAPI
-QueryVariableInfo (
+EmuQueryVariableInfo (
   IN  UINT32                 Attributes,
   OUT UINT64                 *MaximumVariableStorageSize,
   OUT UINT64                 *RemainingVariableStorageSize,
diff --git a/MdeModulePkg/Universal/Variable/EmuRuntimeDxe/InitVariable.c b/MdeModulePkg/Universal/Variable/EmuRuntimeDxe/InitVariable.c
index a08af6dae4..fa2b2a32ba 100644
--- a/MdeModulePkg/Universal/Variable/EmuRuntimeDxe/InitVariable.c
+++ b/MdeModulePkg/Universal/Variable/EmuRuntimeDxe/InitVariable.c
@@ -45,7 +45,7 @@ RuntimeServiceGetVariable (
   OUT VOID         *Data
   )
 {
-  return GetVariable (
+  return EmuGetVariable (
           VariableName,
           VendorGuid,
           Attributes OPTIONAL,
@@ -78,7 +78,7 @@ RuntimeServiceGetNextVariableName (
   IN OUT EFI_GUID  *VendorGuid
   )
 {
-  return GetNextVariableName (
+  return EmuGetNextVariableName (
           VariableNameSize,
           VariableName,
           VendorGuid,
@@ -115,7 +115,7 @@ RuntimeServiceSetVariable (
   IN VOID          *Data
   )
 {
-  return SetVariable (
+  return EmuSetVariable (
           VariableName,
           VendorGuid,
           Attributes,
@@ -155,7 +155,7 @@ RuntimeServiceQueryVariableInfo (
   OUT UINT64                 *MaximumVariableSize
   )
 {
-  return QueryVariableInfo (
+  return EmuQueryVariableInfo (
           Attributes,
           MaximumVariableStorageSize,
           RemainingVariableStorageSize,
diff --git a/MdeModulePkg/Universal/Variable/EmuRuntimeDxe/Variable.h b/MdeModulePkg/Universal/Variable/EmuRuntimeDxe/Variable.h
index a3fc9d1eeb..cd83e6c1f5 100644
--- a/MdeModulePkg/Universal/Variable/EmuRuntimeDxe/Variable.h
+++ b/MdeModulePkg/Universal/Variable/EmuRuntimeDxe/Variable.h
@@ -149,7 +149,7 @@ VariableClassAddressChangeEvent (
 **/
 EFI_STATUS
 EFIAPI
-GetVariable (
+EmuGetVariable (
   IN      CHAR16            *VariableName,
   IN      EFI_GUID          * VendorGuid,
   OUT     UINT32            *Attributes OPTIONAL,
@@ -180,7 +180,7 @@ GetVariable (
 **/
 EFI_STATUS
 EFIAPI
-GetNextVariableName (
+EmuGetNextVariableName (
   IN OUT  UINTN             *VariableNameSize,
   IN OUT  CHAR16            *VariableName,
   IN OUT  EFI_GUID          *VendorGuid,
@@ -220,7 +220,7 @@ GetNextVariableName (
 **/
 EFI_STATUS
 EFIAPI
-SetVariable (
+EmuSetVariable (
   IN CHAR16                  *VariableName,
   IN EFI_GUID                *VendorGuid,
   IN UINT32                  Attributes,
@@ -256,7 +256,7 @@ SetVariable (
 **/
 EFI_STATUS
 EFIAPI
-QueryVariableInfo (
+EmuQueryVariableInfo (
   IN  UINT32                 Attributes,
   OUT UINT64                 *MaximumVariableStorageSize,
   OUT UINT64                 *RemainingVariableStorageSize,