1988- 1992, studying for a bachelor's degree in the Department of Mathematics of Hebei Normal University (now Hebei Normal University);
1992- 1995, working in linxi county No.1 Middle School;
1995- 1998, majoring in applied mathematics at Qingdao Ocean University (now China Ocean University);
1998—— Up to now, working in Henan University of Technology;
From 2003 to 2007, the School of Mathematics and Science and Technology of Central South University studied for a doctorate;
From September 2008 to July 2009, I worked as a senior visiting scholar in the School of Statistics of China Renmin University for one year.