1962 deputy director, director and deputy director of Room 5, First Mechanical Department, Shanghai Institute of Materials, 1969 delegated the work of the May 7th Cadre School.
197 1 stationmaster of Shanghai Science and Technology Exchange Station
1977 Deputy Head and Deputy Secretary-General of the Temporary Leading Group of Shanghai Science and Technology Association
1978 Scientific Counsellor, Embassy of the Federal Republic of Germany
1983/3 1985/6 Vice Mayor of Shanghai Municipal People's Government
1983/41985/12 executive deputy mayor of Shanghai municipal people's government and director of Shanghai municipal planning commission.
1985/9 Commissioner the Central Committee of the Communist Party of China
1985/9 1987/4 Minister of Public Security (including1985/11987/3 First Political Commissar of Armed Police Headquarters)
1987/3 1989/7 deputy director of the state science and technology commission
1989/71993/1Minister of Labor.
1993/11998/2 Secretary of the CPC Hainan Provincial Committee, Governor of Hainan Provincial People's Government, and First Secretary of the Party Committee of Hainan Military Region.
1993/7 1998/2 Standing Committee of Hainan Provincial Committee of the Communist Party of China
the Standing Committee of the National People's Congress