1982.02 ——1984.07, manager of economic management station in Licun Town, Laoshan County;
1984.07— 1985.09, accounting of Laoshan County Agriculture and Animal Husbandry Bureau;
1985.09 ——1987.06, accounting major, Department of Agricultural Economics, Southwest Agricultural University;
1987.06—1987.10, accounting of Laoshan County Agriculture and Animal Husbandry Bureau;
1987.10-1989.07, Deputy Chief of Finance and Planning Department of Laoshan County Agriculture and Animal Husbandry Bureau;
1989.07 ——1990.01,deputy section chief, Finance and Planning Department, Laoshan District Agriculture and Animal Husbandry Bureau, Qingdao;
1990.01-1993.11director of the breeding livestock and poultry farm in Laoshan District, Qingdao and secretary of the Party branch;
1993.11-1994.07, Deputy Director of Agriculture Bureau of Laoshan District, Qingdao;
1994.07 ——1998.03, Deputy Director of Chengyang Agriculture Bureau, Qingdao (during this period:1994.09-1996.12, foreign-related economic management major of Shandong Provincial Party School);
1998.03—1998.11Director of Agriculture Bureau of Chengyang District, Qingdao;
1998.11-2002.12, secretary of the Party Committee and chairman of the National People's Congress of Ma Shang Town, Chengyang District, Qingdao (during the period: from February 2000 to July 2000, students of the 18th training course for young and middle-aged cadres in Qingdao; 1999.09-2002.06 On-the-job graduate student majoring in economic management in Shandong Provincial Party School);
2002. 12——2006. 12, deputy head of Chengyang district government of Qingdao, member of the party group (during the period: 2004.06——2005. 10, EMBA students of Nankai University International Business School);
2006.12—2011.12, member of the Standing Committee of Qingdao Sifang District Committee, deputy head of the district government and party group;
2011.12-2012.02, deputy secretary of Qingdao Shibei District Committee, deputy head of the district government, acting district head and party secretary;
2012.02—2012.12 Deputy Secretary of Qingdao Shibei District Committee, District Head and Party Secretary;
20 12. 12 —— Director of Qingdao Agriculture Committee.