The network engine of collaborative development should have such following properties as high professional level,good organizational reputation and superior network position. Its main drive types include the type of interconnection,mutual benefit and cooperation,that of focus on small and micro enterprises in science and technology,that of engine of consumer terminal enterprises,that of radiation from leading enterprises and that of government leading. Types of network engine patterns are different,so is the practice effect. In order to achieve effective synergy,it is necessary to strengthen t...