1973.4—— 1979.6 worked in Sancang Agricultural Machinery Station and Agricultural Power Station in Dongtai County;

1979.6—— 1989.2 worked in Dongtai workers' cultural palace and Federation of trade unions;

1989.2—— 1994.4 Assistant Secretary, Secretary and Deputy Chief of General Department of Dongtai Municipal Committee Office;

1994.4—— 1995.6 Deputy Director of Dongtai Municipal Committee Office;

1995.6—— 1996.2 Party Secretary of Lianyi Township, Dongtai City;

1996.2——2000.2 Secretary of the Party Committee and Chairman of the National People's Congress of Lianyi Town, Dongtai City;

2000.2—2004. 1 Director, Party Secretary and Director of Dongtai Agricultural Technology Extension Center;

2004. 1——20 10.7 Member of the Party Group and Director of the Office of Dongtai Municipal Government;

20 10.7- deputy researcher of Dongtai municipal government, member of the party group of Dongtai municipal government.