Since September 2009, he has served as a second-class professor, distinguished professor and doctoral supervisor in the Scientific Research Center of Harbin Institute of Technology. At present, he is a commentator on the editorial boards of Applied Mathematics, Differential Equation and Progress of Control Process, International Journal of Differential Equation, Pure advances in mathematics (APM), Journal of Pure Mathematics and Mathematics. Judge, member of the expert group of the Fund for Returned Overseas Students of the Ministry of Education. /kloc-enjoy the special government allowance of the State Council since 0/994.

1994.8-2009.9, Department of Mathematics of Southeast University, second-level professor of Southeast University, distinguished professor, doctoral supervisor, vice president of Jiangsu Mathematical Society, vice president of School of Science, director of Institute of Applied Mathematics, leader of applied mathematics with master's degree and doctoral degree, and chief scientist of Jiangsu key discipline "Applied Mathematics". He used to be a member of academic committee, academic degree committee, professional title evaluation committee, head of the Department of Mathematics, and chairman of the Subcommittee of Mathematics and Physics.