1972.12 ——1976.05, a teacher of ezhuang middle school in Laiwu county;

1976.05—— 1977.09, assisted by the Party Committee Office of Gaozhuang Commune in Laiwu County;

1977.09—— 1978.05, working in the Propaganda Department of Laiwu County Committee;

1978.05—— 1983.09, secretary of Laiwu county government office; 1983.09—— 1985.08, science cadre of Shandong university;

1985.08—— 1986.09, Deputy Director of Laiwu Municipal Committee Office;

1986.09—— 1987.05, Director of the Research Office of Laiwu Municipal Committee (during this period: 1985.09 —— 1987.04, seconded as Second Secretary of the General Office of the Provincial Party Committee);

1987.05 ——1988.11,Secretary of the General Office of Shandong Provincial Party Committee;

1988.11—1992.10, Deputy Director of the General Office of Shandong Provincial Party Committee;

1992.10 ——1993.02, Secretary of the General Office of Shandong Provincial Party Committee;

1993.02—— 1993.09, Deputy Director of the Information Office of the General Office of Shandong Provincial Party Committee (director level);

1993.09 ——1997.12, Director of Information Department of General Office of Shandong Provincial Party Committee;

1997.12—2002.12, Vice Mayor of Zaozhuang Municipal Government;