diff --git a/Add-loongarch64.patch b/Add-loongarch64.patch
new file mode 100644
index 0000000000000000000000000000000000000000..4bae7092068da254e96dda7f284aaefd3cdc545a
--- /dev/null
+++ b/Add-loongarch64.patch
@@ -0,0 +1,25 @@
+From 97ca1ba6c5db46675e08899cfda80edf326a21af Mon Sep 17 00:00:00 2001
+From: doupengda <doupengda@loongson.cn>
+Date: Mon, 5 Dec 2022 02:46:49 +0000
+Subject: [PATCH] Add loongarch64
+
+---
+ CMakeLists.txt | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/CMakeLists.txt b/CMakeLists.txt
+index c01ec25..693cfc4 100644
+--- a/CMakeLists.txt
++++ b/CMakeLists.txt
+@@ -927,7 +927,7 @@ if(CPU_TYPE STREQUAL "x86_64" OR CPU_TYPE STREQUAL "i386")
+   # manually.
+   endif()
+ else()
+-  if((CPU_TYPE STREQUAL "powerpc" OR CPU_TYPE STREQUAL "arm64") AND
++  if((CPU_TYPE STREQUAL "powerpc" OR CPU_TYPE STREQUAL "arm64" OR CPU_TYPE STREQUAL "loongarch64") AND
+     NOT CMAKE_C_COMPILER_ID STREQUAL "Clang" AND NOT MSVC)
+     set(DEFAULT_FLOATTEST fp-contract)
+   else()
+-- 
+2.33.0
+
diff --git a/libjpeg-turbo.spec b/libjpeg-turbo.spec
index e2411ebc11ec528f655fafb691d4f869b9f9d864..ac3451a96593915ecc9f2ea62780b0b42e1e1215 100644
--- a/libjpeg-turbo.spec
+++ b/libjpeg-turbo.spec
@@ -1,10 +1,13 @@
 Name:           libjpeg-turbo
 Version:        2.1.1
-Release:        3
+Release:        4
 Summary:        MMX/SSE2/SIMD accelerated libjpeg-compatible JPEG codec library
 License:        IJG
 URL:            http://sourceforge.net/projects/libjpeg-turbo
 Source0:        http://downloads.sourceforge.net/libjpeg-turbo/libjpeg-turbo-%{version}.tar.gz
+%ifarch loongarch64
+Patch0001:      Add-loongarch64.patch
+%endif
 
 BuildRequires:  gcc cmake libtool nasm
 
@@ -141,6 +144,9 @@ LD_LIBRARY_PATH=%{buildroot}%{_libdir} make test %{?_smp_mflags}
 %{_mandir}/man1/*.1*
 
 %changelog
+* Thu Nov 17 2022 doupengda <doupengda@loongson.cn> - 2.1.1-4
+- add loongarch64 support
+
 * Wed Jul 13 2022 wangkerong <wangkerong@h-partners.com> - 2.1.1-3
 - utils provide by libjpeg-turbo-utils subpackage,the main package shouldn't provide it