The concept of VPD and its key technique for the structure of the system are put forward.By analyzing the VPD process, the article can fully prove the advantage of VPD.

• 并提出虚拟产品开发设计(VPD)的概念和体系结构关键技术，通过虚拟产品开发设计流程的分析，充分证实VPD技术的先进性。