Business process reengineering (BPR) is a hotspot both in academic field and in modern enterprises. Aimed to explore a process reengineering model for manufacturing enterprises in China, this paper studied BPR and its development, analyzed the problems existed in manufacturing enterprises as well as the deficiency in implementing BPR, and proposed an integrated process reengineering system-computer aided business process reengineering system (abbreviated to CABPR), which was an intelligent system based on benchmarking. Finally, this paper expounded the process of the systempsilas designing and implementing based on UML and J2EE technology.