1977.02- 1978.02, educated youth of Fengcheng Juemin Brigade, Fengxian County, Shanghai.

1978.02- 1982.02 Department of Road and Bridge Engineering, Tongji University, majoring in urban roads and bridges.

1982.02-1984.10, technician of bridge management office of Tianjin highway department and technical cadre of planning department.

1984.10-1988.04, assistant engineer of Yonghe Bridge Department of Tianjin Highway Bureau.

1988.04-1991.07, Deputy Chief of Maintenance Section and Engineering Section of Tianjin Highway Department.

1991.07-1996.05, Deputy Director and Director of Planning Engineering Department of Tianjin Highway Administration Bureau.

1996.05- 1997.04, Assistant Director, Deputy Chief Engineer and Director of Planning Engineering Department of Tianjin Highway Administration Bureau.

1997.04-2003.04, Deputy Director of Tianjin Highway Administration Bureau (1996.03- 1998.09, majoring in business administration, master of business administration, Tianjin University).

April 2003-May 2003, Deputy Chief Engineer of Tianjin Municipal Engineering Corporation and Deputy Director of Municipal Highway Administration Bureau.

From May 2003 to March 2006, he served as the chief engineer of Tianjin Municipal Engineering Corporation.

From March 2006 to September 2006, he was the chief engineer of Tianjin Construction Management Committee.

2006.09-20111,member of the Standing Committee of Tianjin Jinnan District Committee, deputy head of the district (2002.03-2007.0 1, majoring in technical economy and management, School of Management, Tianjin University, with a doctorate in management).

2011.1-2011.12 Deputy Secretary, Deputy District Chief and Acting District Chief of Tianjin Jinnan District Committee.

2011.12-2016.04, deputy secretary and district head of Tianjin Jinnan District Committee.

20 16.04-, secretary of Tianjin Jinnan District Committee