1974 ——1975, Deputy Director and Secretary of the Youth League Branch of Diaojie Brigade in Dudian Township, Lingtai County; 1975 ——1980, worker of Xiazhong Cement Factory in Pingliang area, secretary of the "two offices" and secretary of the Youth League Committee (1976+02 was transferred to national cadre); 1980— 1992, cadre, deputy section chief and section chief of the organization department of Pingliang prefectural party Committee (1982.08— 1985.08, major in Chinese language and literature, Gansu Radio and TV University); 1992- 1997, Deputy Secretary of Jingning County Committee of the Communist Party of China (1996.03- 1996.07) attended the 11th training course for young and middle-aged cadres at the Party School of the Provincial Party Committee; 1996.08 ——1998.12 attended the sixth correspondence course for leading cadres of the central party school); 1997—2002, former director and party secretary of the Judicial Bureau of Pingliang Administrative Office (1997.04— 1997.07 participated in the 10th municipal judicial director training course of the Central Institute of Political Science and Law Management); From 2002 to 2007, Secretary-General and member of the leading group of the first CPPCC Pingliang Municipal Committee; 2007 —— Secretary-General and member of the leading group of the second CPC Pingliang Committee (attended the 53rd cadre training course of China People's Political Consultative Conference in May 2007).