Born in 1949, of Han nationality, native of Guangzhou, Guangdong Province.

Soldier of a production and construction corps under the Guangzhou Military Area Command in 1968-1973.

Studied at the Guangdong Agriculture and Forestry College in 1973-1976.

Worked as TA, associate professor and deputy director of the administrative office at the Guangdong Agriculture and Forestry College in 1976-1989. (Postgraduate student in the agriculture and forestry school of the Helsinki University, Finland, in 1981-1983. Studied at Forest Academy Finland in 1988-1989.)

Vice president of in the South China Agricultural University in 1989-1998. (Promoted full professor since 1995.)

Deputy director of the Guangdong provincial science and technology commission and deputy head of the Guangdong provincial science and technology department in 1998-2001.

President of the Guangdong Academy of Agricultural Sciences (GAAS) in 2001-2002.

Chairman of the Guangdong Provincial Committee of the China Association for Promoting Democracy (CAPD), deputy head of the Guangdong Provincial Association for Science and Technology and GAAS president in 2002-2003.

Chairman of the CAPD Guangdong Committee, vice chairman of the Guangdong Provincial Committee of the CPPCC, deputy head of the Guangdong Provincial Association for Science and Technology and GAAS president in 2003-2005.

Vice-chairman of the CAPD Central Committee, chairman of the CAPD Guangdong Committee, vice chairman of the Guangdong Provincial Committee of the CPPCC, deputy head of the Guangdong Provincial Association for Science and Technology and GAAS president in 2005-2007.

Executive vice-chairman of the CAPD Central Committee, chairman of the CAPD Guangdong Committee, vice chairman of the Guangdong Provincial Committee of the CPPCC, deputy head of the Guangdong Provincial Association for Science and Technology and GAAS president in 2007-2008.

Now vice-chairman of the 11th National Committee of the CPPCC, executive vice-chairman of the CAPD Central Committee, chairman of the CAPD Guangdong Committee, deputy head of the Guangdong Provincial Association for Science and Technology and GAAS president.

Deputy to the 8th, 9th and 10th National People's Congress (NPC).