diff --git a/0001-support-loongarch64.patch b/0001-support-loongarch64.patch
new file mode 100644
index 0000000000000000000000000000000000000000..108b8a005091f243c048a92a3ba83c57519681de
--- /dev/null
+++ b/0001-support-loongarch64.patch
@@ -0,0 +1,26 @@
+From a7d14392275a078b4d35076a0d7a24a5594b296f Mon Sep 17 00:00:00 2001
+From: Wenlong Zhang <zhangwenlong@loongson.cn>
+Date: Fri, 29 Apr 2022 10:22:17 +0800
+Subject: [PATCH] support loongarch64
+
+---
+ source/i18n/double-conversion-utils.h | 3 ++-
+ 1 file changed, 2 insertions(+), 1 deletion(-)
+
+diff --git a/source/i18n/double-conversion-utils.h b/source/i18n/double-conversion-utils.h
+index c937463..44e55d5 100644
+--- a/source/i18n/double-conversion-utils.h
++++ b/source/i18n/double-conversion-utils.h
+@@ -128,7 +128,8 @@ int main(int argc, char** argv) {
+     defined(__riscv) || defined(__e2k__) || \
+     defined(__or1k__) || defined(__arc__) || \
+     defined(__microblaze__) || defined(__XTENSA__) || \
+-    defined(__EMSCRIPTEN__) || defined(__wasm32__)
++    defined(__EMSCRIPTEN__) || defined(__wasm32__) || \
++    defined(__loongarch__)
+ #define DOUBLE_CONVERSION_CORRECT_DOUBLE_OPERATIONS 1
+ #elif defined(__mc68000__) || \
+     defined(__pnacl__) || defined(__native_client__)
+-- 
+2.27.0
+
diff --git a/icu.spec b/icu.spec
index c854959dc773cb517799f2b6b92cbb470f5011aa..045230d9bdc607a743c72234a54f3d1c43ba2f76 100644
--- a/icu.spec
+++ b/icu.spec
@@ -1,6 +1,6 @@
 Name:      icu
 Version:   69.1
-Release:   2
+Release:   3
 Summary:   International Components for Unicode
 License:   MIT and UCD and Public Domain
 URL:       http://site.icu-project.org/
@@ -12,6 +12,7 @@ Requires:      lib%{name} = %{version}-%{release}
 
 Patch1:    gennorm2-man.patch
 Patch2:    icuinfo-man.patch
+Patch3:   0001-support-loongarch64.patch
 
 %description
 Tools and utilities for developing with icu.
@@ -125,6 +126,9 @@ LD_LIBRARY_PATH=lib:stubdata:tools/ctestfw:$LD_LIBRARY_PATH bin/uconv -l
 
 
 %changelog
+* Fri Nov 18 2022 huajingyun <huajingyun@loongson.cn> - 69.1-3
+- add loongarch64 support
+
 * Thu Jul 16 2020 hanhui <hanhui15@h-partners.com> - 69.1-2
 - delete libicu*.so.67*