diff --git a/CMakeLists.txt b/CMakeLists.txt
index 68cf2ee..76f45df 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -25,3 +25,17 @@ install(FILES cgproxy.service DESTINATION /usr/lib/systemd/system/)
 install(FILES config.json DESTINATION /etc/cgproxy/)
 install(FILES cgroup-tproxy.sh DESTINATION /usr/share/cgproxy/scripts/)
 install(FILES readme.md DESTINATION /usr/share/doc/cgproxy/)
+
+# man pages
+set(man_gz
+${PROJECT_BINARY_DIR}/cgproxyd.1.gz
+${PROJECT_BINARY_DIR}/cgproxy.1.gz
+${PROJECT_BINARY_DIR}/cgnoproxy.1.gz
+)
+add_custom_target(man
+    COMMAND gzip -fk cgproxyd.1 cgproxy.1 cgnoproxy.1
+    COMMAND mv *.gz ${PROJECT_BINARY_DIR}
+    WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}/man
+)
+add_dependencies(main man)
+install(FILES ${man_gz} DESTINATION /usr/share/man/man1/)
\ No newline at end of file
diff --git a/man/cgnoproxy.1 b/man/cgnoproxy.1
new file mode 100644
index 0000000..ddf39f5
--- /dev/null
+++ b/man/cgnoproxy.1
@@ -0,0 +1,14 @@
+.\" Manpage for cgproxyd
+.TH man 1 "19 May 2020" "1.0" "cgnoproxy man page"
+.SH NAME
+cgnoproxy \- Run program without proxy
+.SH SYNOPSIS
+cgnoproxy [--help] [--debug] <CMD>
+.SH ALIAS
+cgnoproxy = cgproxy --noproxy
+.SH DESCRIPTION
+cgnoproxy send current running process pid to cgproxyd through unix socket, then pid is attached to non-proxied cgroup 
+.SH EXAMPLES
+cgnoproxy sudo v2ray -config config_file
+.SH SEE ALSO
+cgproxyd(1), cgproxy(1), cgnoproxy(1)
diff --git a/man/cgproxy.1 b/man/cgproxy.1
new file mode 100644
index 0000000..1f9851b
--- /dev/null
+++ b/man/cgproxy.1
@@ -0,0 +1,12 @@
+.\" Manpage for cgproxyd
+.TH man 1 "19 May 2020" "1.0" "cgproxy man page"
+.SH NAME
+cgproxy \- Run program with proxy
+.SH SYNOPSIS
+cgproxy [--help] [--debug] <CMD>
+.SH DESCRIPTION
+cgproxy send current running process pid to cgproxyd through unix socket, then pid is attached to proxied cgroup 
+.SH EXAMPLES
+cgproxy curl -vI https://www.google.com
+.SH SEE ALSO
+cgproxyd(1), cgproxy(1), cgnoproxy(1)
diff --git a/man/cgproxyd.1 b/man/cgproxyd.1
new file mode 100644
index 0000000..fa8cb4a
--- /dev/null
+++ b/man/cgproxyd.1
@@ -0,0 +1,30 @@
+.\" Manpage for cgproxyd
+.TH man 1 "19 May 2020" "1.0" "cgproxyd man page"
+.SH NAME
+cgproxyd \- Start a daemon with unix socket to accept control from cgproxy/cgnoproxy
+.SH SYNOPSIS
+cgproxyd [--help] [--debug]
+.SH ALIAS
+cgproxyd = cgproxy --daemon
+.SH CONFIGURATION
+.I /etc/cgproxy/config.json
+.br
+.B port 
+tproxy listenning port
+.br
+.B cgroup_noproxy
+cgroup array that no need to proxy, /noproxy.slice is preserved.
+.br
+.B cgroup_proxy
+cgroup array that need to proxy, /proxy.slice is preserved.
+.br
+.B enable_gateway
+enable gateway proxy for local devices.
+.br
+.B enable_dns
+enable dns to go to proxy.
+.br
+.B enable_tcp enable_udp enable_ipv4 enable_ipv6
+.SH SEE ALSO
+cgproxyd(1), cgproxy(1), cgnoproxy(1)
+