1986.08 ——1987.12 Member of Agriculture Committee of Hainan Li and Miao Autonomous Prefecture, Guangdong Province.
1988.01-1992.07 Member of Agriculture Bureau of Sanya City, Hainan Li and Miao Autonomous Prefecture, Guangdong Province (1988.04 after Hainan Province).
1992.07 ——1996.10 deputy director of thermal production department of agriculture bureau of sanya city, Hainan province.
1996.10—1999.04 Chief of Thermal Production Section, Agriculture Bureau, Sanya City, Hainan Province
1999.04—2001.10, Vice Chairman of Sanya Science and Technology Association, Hainan Province (during which: he joined NLD in September 2000).
2001.10—2006.12 Vice Chairman of Sanya Science and Technology Association of Hainan Province and Vice Chairman of Sanya Municipal Committee of NLD.
2006.12—2010.02 NLD Full-time Chairman of Sanya Municipal Committee of Hainan Province
20 10.02 —— Vice Chairman of CPPCC, Sanya City, Hainan Province, and Full-time Chairman of Sanya Municipal Committee of NLD, Hainan Province (during this period: from May to October, 2009, kloc-0/0.05 was appointed as Deputy Director of Vegetable Institute of Hainan Academy of Agricultural Sciences).
Member of the Fifth Hainan Provincial Political Consultative Conference, Standing Committee of the Fifth NLD Hainan Provincial Committee, and Standing Committee of the Fifth Sanya Political Consultative Conference.