diff --git a/0004-add-loong64-support-for-etcd.patch b/0004-add-loong64-support-for-etcd.patch
new file mode 100644
index 0000000000000000000000000000000000000000..cd71a39eb1c33fc921b04df802165920941bb60f
--- /dev/null
+++ b/0004-add-loong64-support-for-etcd.patch
@@ -0,0 +1,30 @@
+From 5af3d04b4bf015be831312d9fcf5e6f20d889fa0 Mon Sep 17 00:00:00 2001
+From: Wenlong Zhang <zhangwenlong@loongson.cn>
+Date: Fri, 6 Jan 2023 07:25:42 +0000
+Subject: [PATCH] add loong64 support for etcd
+
+---
+ vendor/go.etcd.io/bbolt/bolt_loong64.go | 12 ++++++++++++
+ 1 file changed, 12 insertions(+)
+ create mode 100644 vendor/go.etcd.io/bbolt/bolt_loong64.go
+
+diff --git a/vendor/go.etcd.io/bbolt/bolt_loong64.go b/vendor/go.etcd.io/bbolt/bolt_loong64.go
+new file mode 100644
+index 0000000..a161182
+--- /dev/null
++++ b/vendor/go.etcd.io/bbolt/bolt_loong64.go
+@@ -0,0 +1,12 @@
++// +build loong64 
++
++package bbolt
++
++// maxMapSize represents the largest mmap size supported by Bolt.
++const maxMapSize = 0x8000000000 // 512GB
++
++// maxAllocSize is the size used when creating array pointers.
++const maxAllocSize = 0x7FFFFFFF
++
++// Are unaligned load/stores broken on this arch?
++var brokenUnaligned = false
+-- 
+2.33.0
diff --git a/etcd.spec b/etcd.spec
index 21d3255e50730c09ac0c0b1a7f829c6fc16f6ddb..f73692a9a85daa3a3b02b3b175d8d84de5bd138c 100644
--- a/etcd.spec
+++ b/etcd.spec
@@ -31,7 +31,7 @@ system.}
 %global gosupfiles      integration/fixtures/* etcdserver/api/v2http/testdata/*
 
 Name:           etcd
-Release:        5
+Release:        6
 Summary:        Distributed reliable key-value store for the most critical data of a distributed system
 
 # Upstream license specification: Apache-2.0
@@ -43,10 +43,15 @@ Source2:        %{name}.conf
 Source3:        man-%{man_version}.tar.gz
 # sh genmanpages.sh path_to_built_source
 Source10:       genmanpages.sh
+%ifarch loongarch64
+#Source11 from go get -d golang.org/x/sys@27713097b9563e84e4e03a2ed9652ef9fe62263a
+Source11:	  sys.tar.gz
+%endif
 # update grpc-go version to v1.32.0
 Patch1:         0001-Convert-int-to-string-using-strconv.Itoa.patch
 Patch2:		0002-Etcd-on-unsupported-platform-without-ETCD_UNSUPPORTED_ARCH=arm64-set.patch
 Patch3:         0003-etcd-Add-sw64-architecture.patch
+Patch4:		0004-add-loong64-support-for-etcd.patch
 
 BuildRequires:  golang
 BuildRequires:  python3-devel
@@ -67,6 +72,12 @@ Requires(pre):  shadow-utils
 %ifarch sw_64
 %patch3 -p1
 %endif
+%ifarch loongarch64
+%patch4 -p1
+rm -rf vendor/golang.org/x/sys
+tar -xf %{SOURCE11} -C vendor/golang.org/x/
+%endif
+
 # For compatibility
 cp -aR etcdserver/api/snap snap
 cp -aR etcdserver/api/membership etcdserver/membership
@@ -152,6 +163,9 @@ getent passwd %{name} >/dev/null || useradd -r -g %{name} -d %{_sharedstatedir}/
 %endif
 
 %changelog
+* Thu Jul 20 2023 Wenlong Zhang<zhangwenlong@loongson.cn> - 3.4.14-6
+- Add loong64 suppodt for etcd
+
 * Wed Oct 19 2022 wuzx<wuzx1226@qq.com> - 3.4.14-5
 - add sw64 patch
 
diff --git a/sys.tar.gz b/sys.tar.gz
new file mode 100644
index 0000000000000000000000000000000000000000..99d8837a7b73a082f13b0da60c31e28525078c7e
Binary files /dev/null and b/sys.tar.gz differ