Abstract: Firstly, with industry technical performance as the breakthrough point, SCP depictes evolution validity of incubator market structure in America. It explains the decisive action of The information industry revolution to American incubator market structure evolution, which Indicates incubator market structure in China may also change under the background of new technology revolution. To seek the equilibrium, an evolutionary game model of business incubator and public incubator is build to get a dynamic evolutionary stable equilibrium. Reulsut is: Evolutionary equilibrium of incubator market structure in China are different selection of business incubator and public incubator to different innovation orientations. Influence of different innovation orientationss is depicted by numerical simulation.