1967.09—— 1968.07, detention distribution;
1968.07—— 1977.08, technician of Guangxi Wuzhou Babu Machinery Factory, head of the foundry process group;
1977.08 ——1982.10, teacher, vice president and director of academic affairs office of Wuzhou Agricultural Machinery School, Guangxi;
1982.10 ——1984.03, director and deputy secretary of the Party Committee of No.2 Machinery Factory in Wuzhou, Guangxi;
1984.03—— 1985.03, Director of Labor and Personnel Bureau in Wuzhou, Guangxi, Deputy Secretary and Deputy Minister of Party Group in Organization Department of prefectural Party Committee;
1985.03—— 1990.02, Deputy Commissioner of Administrative Office of Wuzhou District, Guangxi;
1990.02—— 1993.02, Deputy Secretary of Wuzhou District Committee of Guangxi;
1993.02—— 1995.07, President and Executive Vice President of Party School of Guangxi Zhuang Autonomous Region, Dean of Guangxi Administration College;
1995.07 ——1997.12, Secretary General of Guangxi Zhuang Autonomous Region Party Committee, Director of General Office of Guangxi Zhuang Autonomous Region Party Committee, (1995. 12—— elected as the seventh member of Guangxi Zhuang Autonomous Region Party Committee);
1997.12 —— 2001.09, member of the Standing Committee of the Party Committee of Guangxi Zhuang Autonomous Region, secretary-general and director of the General Office of the Party Committee of the Autonomous Region;
200 1.09—— Member of the Standing Committee of the Party Committee of Guangxi Zhuang Autonomous Region, Secretary-General, Director of the General Office of the Party Committee of the Autonomous Region, and Secretary of the Working Committee of directly under the authority;
Representative of the Ninth and Tenth People's Congress of Guangxi Zhuang Autonomous Region.