1992.9- 1995.6: Master of Mathematics Department of Nankai University.
1997.3-2000.3: Ph.D. candidate, School of Management, Tianjin University.
1995.6-2002.6: Lecturer, Department of Mathematics, Tianjin University
June 2000-June 2002: postdoctoral fellow, Institute of Systems Science, Institute of Mathematics and Systems Science, China Academy of Sciences.
June 2002-June 2008: Associate Professor, Department of Mathematics, Tianjin University.
August 2005-August 2006: I was sent to study in the Computer Department of Birmingham University, UK.
June 2008-Professor of Mathematics Department of Tianjin University