1972- 1982 used to be the deputy head of the political work group of Nangang dairy farm in Harbin, the standing Committee member of the Party Committee of the Municipal Animal Husbandry Bureau, the deputy director of the Revolutionary Committee of Nangang dairy farm, the secretary of the General Party Branch of the Municipal Comprehensive Ranch and the director of the Revolutionary Committee, the deputy secretary and director of the Party branch of the Municipal Poultry Farm, and the deputy director of the Municipal Animal and Egg Production Department1982-. 1984- 1986 served as deputy secretary and director of the Party Committee of Harbin Animal Husbandry Bureau and deputy secretary of the Rural Work Committee of the Municipal Party Committee. 1986- 1992 has served as secretary, district head, deputy secretary and district head of Taiping District Committee in Harbin, and deputy secretary, district head and secretary of Nangang District Committee. 1992- 1997 served as deputy secretary of Yichun municipal Committee, mayor, director of forest management bureau and secretary of municipal party Committee. 1997- 1999 used to be deputy secretary-general and secretary-general of Heilongjiang provincial government, member of the party group and deputy secretary of the working Committee of provincial organs.