In June 2000, he graduated from the Institute of Applied Mathematics, Institute of Mathematics and System Science, China Academy of Sciences, with a doctorate in science.

Since July 2000, I have worked in the Department of Mathematics, School of Science, Beijing Jiaotong University.

2000 ~ 2002: Lecturer, Department of Mathematics, School of Science, North Jiaotong University

2002 ~ 2008: Associate Professor, Department of Mathematics, School of Science, Beijing Jiaotong University.

2002 ~ 2003: postdoctoral fellow, Department of Mathematics and Statistics, University of Saskatchewan, Canada.

2004 ~ 2007: Beijing Jiaotong University has 4 special research professors.

2006 ~ 2007: Visiting Scholar, Department of Electrical Engineering, University of Manitoba, Canada.

2008-present: Professor and Doctoral Supervisor, Department of Mathematics, School of Science, Beijing Jiaotong University.

From May 2009 to 20 10, he served as temporary vice president of the School of Science.

20 1 1 ~ present: secretary of the Party branch and deputy director of the Department of Mathematics.