Abstract:As information system is more and more widely used and software is taken as the soul of information system,it has been playing a more and more important role in finance,military,traffic,infrastructure and other sectors,and therefore security of software becomes a key factor of social stability and national security.In this paper,the authors present a survey of the present status of the software security analysis and research in China and foreign countries,and analyze the principal scientific problems of software security analysis and the important demand of China in this field at the present time.The authors propose that the basic method study of the analysis of security of information system should be enhanced;and professional talents contingent should be constructed,so as to offer technological support for ensuring the security of information system and network space sovereign rights of China.