diff --git a/UefiCpuPkg/UefiCpuPkg.dec b/UefiCpuPkg/UefiCpuPkg.dec
index ca744fab55..1b890e975c 100644
--- a/UefiCpuPkg/UefiCpuPkg.dec
+++ b/UefiCpuPkg/UefiCpuPkg.dec
@@ -3,6 +3,7 @@
 #
 # Copyright (c) 2007 - 2023, Intel Corporation. All rights reserved.<BR>
 # Copyright (C) 2023 Advanced Micro Devices, Inc. All rights reserved.<BR>
+# Copyright (c) 2024, Loongson Technology Corporation Limited. All rights reserved.<BR>
 #
 # SPDX-License-Identifier: BSD-2-Clause-Patent
 #
@@ -414,6 +415,11 @@
   #  10 - 57bit mode.
   gUefiCpuPkgTokenSpaceGuid.PcdCpuRiscVMmuMaxSatpMode|10|UINT32|0x60000021
 
+[PcdsFixedAtBuild.LOONGARCH64, PcdsPatchableInModule.LOONGARCH64, PcdsDynamic.LOONGARCH64, PcdsDynamicEx.LOONGARCH64]
+  ## This PCD Contains the pointer to a CPU exception vector base address.
+  # @Prompt The pointer to a CPU exception vector base address.
+  gUefiCpuPkgTokenSpaceGuid.PcdLoongArchExceptionVectorBaseAddress|0x0|UINT64|0x60000022
+
 [PcdsDynamic, PcdsDynamicEx]
   ## Contains the pointer to a CPU S3 data buffer of structure ACPI_CPU_DATA.
   # @Prompt The pointer to a CPU S3 data buffer.