With the incoming of the Internet times, the design pattern of product has been greatly changed. The enterprises have been developing from the past sequential and vertical structures to the parallel and horizontal structures. Design management has become the core of information management and electronic commerce for corporations. The development of design management affects the progress of industry design itself. The article illustrates the necessity of design management system for enterprises' development, researches the techniques and methods for generating the computer aided design management system, and expounds the developing modes and the whole framework of the design management system under the conditions of the high technology, such as network, virtual reality and rapid prototyping.