diff --git a/add-KylinSec-OS-support.patch b/add-KylinSec-OS-support.patch
new file mode 100644
index 0000000..cf4348b
--- /dev/null
+++ b/add-KylinSec-OS-support.patch
@@ -0,0 +1,49 @@
+From bf2a712488b3c980342293439400f5c4f476fa6c Mon Sep 17 00:00:00 2001
+From: liuxingxiang <liuxingxiang@kylinsec.com.cn>
+Date: Wed, 23 Feb 2022 09:39:22 +0800
+Subject: [PATCH 1/1] add KylinSec OS support
+
+---
+ sos/policies/KylinSec.py | 30 ++++++++++++++++++++++++++++++
+ 1 file changed, 30 insertions(+)
+ create mode 100644 sos/policies/KylinSec.py
+
+diff --git a/sos/policies/KylinSec.py b/sos/policies/KylinSec.py
+new file mode 100644
+index 0000000..bf0b6f3
+--- /dev/null
++++ b/sos/policies/KylinSec.py
+@@ -0,0 +1,30 @@
++from sos.policies.redhat import RedHatPolicy, OS_RELEASE
++import os
++
++class KylinSecPolicy(RedHatPolicy):
++
++    distro = "KylinSec"
++    vendor = "KylinSec"
++    vendor_url = "http://www.kylinsec.com.cn/"
++
++    def __init__(self, sysroot=None, init=None, probe_runtime=True,
++                 remote_exec=None):
++        super(KylinSecPolicy, self).__init__(sysroot=sysroot, init=init,
++                                           probe_runtime=probe_runtime,
++                                           remote_exec=remote_exec)
++
++    @classmethod
++    def check(cls, remote=''):
++        
++        if remote:
++            return cls.distro in remote
++
++        if not os.path.exists(OS_RELEASE):
++            return False
++
++        with open(OS_RELEASE, 'r') as f:
++            for line in f:
++                if line.startswith('NAME'):
++                    if 'KylinSec OS' in line:
++                        return True
++        return False
+-- 
+2.27.0
+
diff --git a/sos.spec b/sos.spec
index 3497010..f3f9d05 100644
--- a/sos.spec
+++ b/sos.spec
@@ -2,7 +2,7 @@
 
 Name:          sos
 Version:       4.0
-Release:       5
+Release:       6
 Summary:       A set of tools to gather troubleshooting information from a system
 License:       GPLv2+
 URL:           https://github.com/sosreport/sos
@@ -12,6 +12,7 @@ Patch6000:     backport-Fix-dict-order-py38-incompatibility.patch
 Patch9000:     openEuler-add-openEuler-policy.patch
 Patch9001:     add-uniontech-os-support.patch
 Patch9002:     Fix-sos-command-failed-in-sos-4.0.patch
+Patch9003:     add-KylinSec-OS-support.patch
 
 BuildRequires: python3-devel gettext
 Requires:      libxml2-python3 bzip2 xz python3-rpm tar python3-pexpect
@@ -60,6 +61,9 @@ install -m 644 %{name}.conf %{buildroot}%{_sysconfdir}/%{name}/%{name}.conf
 %{_mandir}/man5/*
 
 %changelog
+* Wed Feb 23 2022 liuxingxiang <liuxingxiang@kylinsec.com.cn> - 4.0-6
+- add KylinSec policy
+
 * Tue Feb 22 2022 weidong <weidong@uniontech.com> - 4.0-5
 - Fix sos command failed in sos 4.0