This paper using triple helix theory, based on the patents which were obtained by Chinese researchers from USPTO, measured the interactive relationship of university-industry-government in collaborative innovation from two dimensions of time series and industry field. The study found that: the stable international collaborative innovation system of university industry and government has been shaped. However in recent years, the self-organizing of system has a downward trend. Companies were active in innovation, but governments were not insufficiency. The industry field of E E and C C were obtained the most patents, but the relationship of university-industry-government was loose relatively.