Abstract: While introducing the current research situation of the software system structure,a group is set up which can reflect users in some ways,especially in the studying and coordinating each other.The characteristics of system structure and Agent-oriented software system structure with Object-Z are described at the same time.The method to set up a high-efficiency group and the rule to appraise it have been put forward.

Key words: agent； object-Z； software engineering； software architecture； team；