1974.05 ——1976.11,educated youth of the fourth team of Honghua, Huixian Ginkgo commune, Gansu province;

1976.11—1978.11,a worker of a company in Gansu province;

1978.11-1982.08, majoring in chemical machinery, Department of Chemical Engineering, Zhengzhou University of Technology;

1982.08—— 1986.09, Director of Materials Division and Office of Gansu Provincial Planning Commission;

1986.09—— 1992.05, Deputy Director of General Finance Department of Gansu Provincial Planning Commission;

1992.05—— 1993.08, Director of Economic Adjustment Office of Gansu Provincial Planning Commission;

1993.08—— 1996.03, director of the National Economic Comprehensive Department of Gansu Provincial Planning Commission;

1996.03 —— 2002.11,Deputy Commissioner of Pingliang District Administration Office, Gansu Province;

2002.11—— 2004.12, member of the Standing Committee of Pingliang Municipal Committee of Gansu Province, deputy mayor;

2004.12 —— 2006.11,Deputy Secretary of Pingliang Municipal Committee of Gansu Province;

2006.11—— April 2008, Director and Party Secretary of Gansu Provincial Bureau of Township Enterprises (Provincial Bureau of Small and Medium-sized Enterprises);

2008.04—20 10.03, Deputy Secretary-General of Gansu Provincial People's Government, member of the Party Group of the General Office, and director of the Research Office (Development Research Center) of the provincial government;

20 10.03——20 13.04, Deputy Secretary-General of Gansu Provincial People's Government, Member of the Party Group of the General Office, Director of the Research Office of the Provincial Government (Development Research Center) and Party Secretary;

20 13.04 —— Party Secretary and Director of the Audit Office of Gansu Province.