198 1- 1985: majoring in environmental engineering, Department of Civil Engineering, Tianjin University, Bachelor of Engineering;

1985- 1988: Master of Engineering, Department of Environmental Chemistry, Beijing University of Technology;

2002-2005: studied in the Department of Environmental Engineering of Nankai University, majoring in environmental engineering, and obtained a doctor of engineering;

1988- 199 1: china municipal engineering North China Design and Research Institute, Water Research Institute, working assistant, engaged in water supply and drainage research and design;

199 1- 1998: Institute of Water Sciences, engineer, engaged in sewage treatment and reuse research;

1996- 1997: Visiting scholar in Denmark, awarded the certificate of "Sewage Treatment Training" by the Danish Ministry of Foreign Affairs;

1998-2003: Senior engineer, Institute of Water Sciences, engaged in scientific research, consultation and environmental assessment of sewage treatment and reuse;

2003-present: Gao Zhengshui Research Institute, engaged in scientific research and consultation on sewage treatment, recycling, seawater treatment and drinking water treatment;

2002-present: Chief Engineer, Water Research Institute.