1978.10 ——1982.07 Production Layout Major, Statistics Department, China Renmin University;
1982.07—— 1993.09 department of laws and regulations of the state planning commission, department of international industrial structure of industrial policy, and department of industrial planning of long-term planning and industrial policy;
1993.09 ——1997.10 Deputy Director of the Comprehensive Planning Department of the Ministry of Agriculture;
1997.10 ——1998.07 Director of the Comprehensive Planning Department of the Ministry of Agriculture;
1998.07——2003.08 Director of the Development Planning Department of the Ministry of Agriculture and Director of the National Agricultural Resources Division Office;
2003.08—2004.08 Director of the Finance Department of the Ministry of Agriculture;
2004.08—2006.04 Chief Economist and Director of Finance Department of the Ministry of Agriculture;
2006.04——2007. 12 Chief economist and director of the general office of the Ministry of Agriculture;
2007. 12——2008.04 Chief economist of the Ministry of Agriculture;
April 2008 —— 20 12. 10 Party Secretary (Deputy Minister) of China Academy of Agricultural Sciences.