In article Renju Game Builted on PureMVC, we have introduced the excellent frameword: PureMVC. It is not difficult for those developer who have rich development experience of AS3. But to the beginners maybe have some problems. Althout it belongs to lightweight, still has a certain amount of code and the structure is not so simple. The following is a very detail tutorial for PureMVC with code explanation. Although it just explain the Pipes a part of PureMVC. But through the part you could know more about the whole.