20 14- Dean of Agricultural College of Shanxi Agricultural University

20 13-20 14 vice president of the agricultural college of Shanxi agricultural university

2004-20 13 Vice President of Graduate School of Shanxi Agricultural University

Since 2005, he has been a doctor in the Department of Farming and Farming, College of Agriculture, Shanxi Agricultural University.

2002-2004 Professor, Department of Cultivation and Farming, College of Agriculture, Shanxi Agricultural University

1995-2002 Associate Professor, College of Agriculture, Shanxi Agricultural University, Director of Farmland Ecology Office.

199 1- 1995 Lecturer, Department of Agriculture, Shanxi Agricultural University

Assistant Professor, Department of Agriculture, Shanxi Agricultural University 199 1