Researcher, State Key Laboratory of Coal Mine Disaster Dynamics and Control, Chongqing University, supervisor for postgraduate students.Member of China Coal Society.He is mainly engaged in research work related to engineering geology of coalbed methane and development of coal-measure gas. He has undertaken or participated in major national science and technology projects and more than 10 projects funded by the National Natural Science Foundation.He has published more than 20 papers in domestic and foreign academic journals such as Engineering Geology, Rock Mechanics and Rock Engineering, International Journal of Rock Mechanics and Mining Sciences, and Journal of China Coal Society. He has obtained 5 national invention patents and published 1 academic monograph.