He also organized 11 great international conferences, as president of conference for 6 times, and president of organizing committee for 5 times. He once was invited to participate in the cooperation study with the universities and research institutes in the USA, Canada, Australia, Japan, Hong Kong, and Singapore. He also is an executive member of Plan and Optimal Seeking Method and Economy Mathematics Research Association in China, member of Industry and Applied Mathematics Association, Associate Director of Physical Distribution Profession of Systematic Engineering Association in China, Associate Director of Planning Science Association of Operational Research Association in China, Associate Director of Uncertainty Branch Association of Operational Research Association in China, Associate Director of Enterprise Branch Association of Operational Research Association in China, Associate Director of Sichuan System Engineering Association, Associate Director of Sichuan Industry and Applied Mathematics Association. He also was once one of editing committee of “International Journal of Sports Science and Engineering”, “China Management Science”, “Systematic Engineering and Electronic Technology”, “Study and Research of World Technology”, “Journal of Management”, “Journal of Sichuan University”(philosophy and social science edition) etc.