Member of the National Technical Committee for road traffic management standardization, member of the National Technical Committee for standardization of product defects and safety management, expert group expert for in-depth investigation of road traffic accidents of the Ministry of public security, senior inspector of motor vehicles of the Ministry of public security, etc. From October 2012 to now, he has successively served as deputy director and director of the vehicle safety research office of the road traffic safety research center of the Ministry of public security, and participated in the formulation and revision of a number of national and ministerial vehicle safety related policies, regulations and standards. For a long time, he has been engaged in policy, regulation and technology research on vehicle operation safety, vehicle safety management system, road traffic accident investigation, road traffic safety, autonomous vehicle, etc.