1990.09— 1993.06, Ph.D. student in ecology, Department of Forestry, Northeast Forestry University;

1993.06 ——1995.02, lecturer, associate professor and tutor of master students in the Department of Ecology, Department of Forestry, Northeast Forestry University;

1995.02 ——1999.07, deputy director and researcher of Heilongjiang Forestry Research Institute;

1999.07—2002. 10, member of the party group of Yichun municipal government and assistant to the mayor;

2002. 10—2006.02, member and deputy director of the Party Group of Yichun Municipal Government;

2006.02—2011.11,member of the Standing Committee of CPC Yichun Municipal Committee and deputy mayor of Yichun Municipal Government;

2011.11—— Deputy Director of Heilongjiang Forestry Industry Bureau.