1979 to 1983, Shanxi Institute of Mining and Technology studied mechanical manufacturing and repair;

From 1983 to 1987, researcher in the transportation room of Taiyuan Branch of China Coal Science Research Institute;

1987 to 1990, teacher of the teaching and research section of mechanical principle and mechanical design of Taiyuan Institute of Heavy Machinery;

1990- 1993, graduate student in mechanics, Xi Jiaotong University;

1993 Up to now, he has been a teacher in the teaching and research section of mechanical principle and mechanical design of Taiyuan Institute of Heavy Machinery.