diff --git a/README.md b/README.md
index 147c1f7..309ddb6 100644
--- a/README.md
+++ b/README.md
@@ -66,6 +66,21 @@ Spp.js is a sample physics particle system engine for javascript.
 ### Docs
 * [Comming soon!](#)
 
+### Tutorials
+* [Comming soon!](#)
+
+### How to build ###
+
+Spp.js is build with ant and [closure-compiler](https://code.google.com/p/closure-compiler/wiki/BuildingWithAnt)
+
+```
+$>cd spp's root directory
+```
+Then build:
+
+```
+$> ant
+```
 
 ### Support or Contact
 Weibo: http://weibo.com/flashawk? or contact flashhawkmx@gmail.com and we’ll help you sort it out.