Deputy Director (Presiding over work) of the Department of Toxicology, Shanghai Pulmonary Hospital, and Visiting Researcher at the National Institute of Occupational Safety and Health, Japan. His main research focus is occupational respiratory diseases. As the principal investigator, he formulated and revised two national standards, namely Diagnostic Criteria for Occupational Asthma and Diagnostic Criteria for Occupational Acute Tetraethyl Lead Poisoning, as well as one group standard, Guidelines for Quality Control Evaluation of Occupational Health Examinations. He has won the First Prize of the Science and Technology Award of China Occupational Safety and Health Association twice.

He is committed to research on occupational health examinations, occupational respiratory diseases (occupational asthma, acute lung injury induced by chemicals) and industrial toxicology.