1972.12 ——1973.06, worker of sinking factory of Tianjin Water Supply Engineering Company;
1973.06—— 1974.02, cadre of the propaganda department of Tianjin Water Supply Company;
1974.02 ——1978.11,a cadre of the propaganda department of Tianjin Public Bureau;
1978.11—1981.09, majoring in political education, Department of Political History, Tianjin Normal University;
1981.09 ——1984.02, cadre and deputy minister of the Propaganda Department of the Party Committee of Tianjin Public Utilities Bureau;
1984.02—— 1986.03, Deputy Director of Research Office of Urban and Rural Construction Department of Tianjin Municipal Committee;
1986.03—— 1992.06, Director of the Office of the Urban Construction Committee of Tianjin Municipal Committee (during this period: 1989.09 —— 1992.06, studied in the Economics Department of Nankai University and obtained a master's degree in economics);
1992.06—— 1997.08, Deputy Secretary of the Urban Construction Committee of Tianjin Municipal Committee (during which: 1996.08 —— 1997.02 participated in the China Senior Business Administration Program of the University of West Virginia, USA);
1997.08— 1999.03, secretary of the Party Committee of Tianjin Urban Construction College (1994.09—1998.01studied in the Economics Department of Nankai University and obtained a doctorate in economics);
1999.03 —— 2001.10, Secretary of the Urban Construction Committee of Tianjin Municipal Committee;
2001.10 —— Secretary of the Planning and Construction Working Committee of Tianjin Municipal Committee in May 2009 (during which he studied in the one-year training class for young and middle-aged cadres of the Central Party School from March 2004 to March 2005);
In May 2009, he served as secretary of the Transportation Working Committee of Tianjin Urban and Rural Planning and Construction Committee.
Member of the Standing Committee of the 15th Tianjin Municipal People's Congress.