1968.11——1971.08, member of the working team of poor farmers in Shandong province, deputy mine manager and mine manager of Yongsheng associated gold mine in Zhaoyuan county, and accountant of Lingshan commune machine maintenance factory;

1971.08 ——1973.10, organization director of luoshan commune, Zhaoyuan county, Shandong province;

1973.10 ——1974.11Deputy Secretary of the Party Committee of Luoshan Commune in Zhaoyuan County;

1974.11——1976.04, Party Secretary of Daqinjia Commune, Zhaoyuan County;

1976.04—— 1976.06, deputy director of Yantai agricultural office;

1976.06—— 1982.08, Deputy Director of Shandong Provincial Reserve Materials Administration and Deputy Secretary of the Party Group (in the meantime: 1977.08 —— 10, Deputy Head of the Agricultural Dazhai Working Group of the Provincial Party Committee in Qihe County, 1980.

1982.08 ——1987.10, Secretary of Shandong Provincial Committee of Communist Youth League (during this period: 1984.09 —— 1987.07, correspondence study of Chinese language and literature major in Qufu Normal University);

1987.10 ——1988.11Deputy Minister of Rural Work Department of Shandong Provincial Committee (director level);

1988.11——1990.04, Deputy Director of the Agricultural Committee of Shandong Province and Deputy Secretary of the Party Group (director level);

1990.04 ——1992.12, Director of Shandong Provincial Water Resources Department and Party Secretary;

1992.12 ——1995.06, Secretary of Heze District Committee, Shandong Province;

1995.06—— 1998.04, Secretary-General of Shandong Provincial Government, member and secretary of the Party Group of the General Office;

1998.04—— 1999.03, deputy governor of Shandong province, member of the party group of the provincial government, secretary-general and secretary of the party group of the general office;

1999.03——2002.03, Vice Governor of Shandong Province, Member of the Party Group of the Provincial Government, Secretary General, Party Secretary of the General Office and Dean of Shandong Administration College;

2002.03—2002.06, Vice Governor of Shandong Province, Member of the Party Group of the Provincial Government, and Dean of Shandong Administration College;

2002.06—2007.03, member of the Standing Committee of Shandong Provincial Party Committee, deputy governor and deputy secretary of the provincial government party group;

From March 2007 to June 2007, the Standing Committee of Shandong Provincial Party Committee and Shandong Provincial Government invited for consultation;

June 2007-2010.05, invited by Shandong provincial government for consultation.

Representatives of the 13th, 15th and 17th National Congress of the Communist Party of China.