This paper describes the major features and the development trend of big science,analyzes the actualities of the big science programs that China participates in,and also introduces the policies of some other countries about big science research,finally gives some thoughts on the international cooperation when China participates in the big science research programs.

"The College Student Research Program" Is Commensurate with the Goals for the Cultivation of Creative People;

This paper has discussed the basic feature of megascience firstly, and evaluated systemically on what our country has participated in international megascience programs, and what the present and the future requirement of international collaboration has been developed by Chinese megascience research since 1990 s.