diff --git a/README.md b/README.md
index 42c8da1d5120871b1aa1f18a37098643d22f58bd..63e75dacb4106ed0dbb033cda250d9701c0e87c5 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 Sky Walking for php SDK| [中文](README_ZH.md)
 ==========
-**SkyWalking php SDK**: A client tool developed for PHP using SkyWalking APM tools. (It is a pity that it only supports writing log and checking curl currently.)
+**SkyWalking php SDK**: A client tool developed for PHP using SkyWalking APM tools. (It is a pity that it only supports checking curl currently.)
 SkyWalking APM : https://github.com/apache/incubator-skywalking
 
 * Automatic probe for PHP. **You don't need to modify the application code.**        
@@ -11,12 +11,41 @@ SkyWalking APM : https://github.com/apache/incubator-skywalking
   * It is a php extension and contains some php classes. 
   * It can compatible any versions of php.You can look over the codes in the class 'SkyWalking'.
   * You need to add  business codes to monnitor.
-  
 
+# Dep
+* pkg-config
+* grpc
+* protoc
+* php 7+
 
-# Using and installing
-*  php extensions(https://github.com/SkywalkingContrib/skywalking-php-sdk/tree/master/sky-php7ext)
-*  php classes (https://github.com/SkywalkingContrib/skywalking-php-sdk/tree/master/sdk-php)
+
+# Install
+1. build php extension
+```shell
+git clone --recurse-submodules https://github.com/SkywalkingContrib/skywalking-php-sdk.git
+cd sky-php7ext
+phpize && ./configure && make && make install
+```
+
+2. make report_client
+```shell
+cd sky-php7ext/report
+make
+```
+
+# Config
+* php.ini
+```shell
+extension=skywalking.so
+skywalking.app_code = app_code
+skywalking.grpc = 127.0.0.1:11800
+```
+
+# Run
+```shell
+php-fpm
+./report_client 120.0.0.1:11800 /tmp
+```
 
 # Apply to
 *  version 1.0 applies to Skywalking 3.1 .