Professor of Health Economics, School of Public Health, Fudan University. Chief Consultant of Shanghai Health and Health Development Research Center; Deputy leader of the Expert Steering Group of the "Shanghai, Jiangsu, Zhejiang, Anhui and Fujian" Comprehensive Medical Reform Joint Conference; Member of the Public Policy Expert Advisory Committee of the National Health and Family Planning Commission; Standing member of the Medical Security Professional Committee of the Chinese Society of Social Security; Vice Chairman of the Health Technology Evaluation Professional Committee of the Chinese Society of Health Economics; Expert of Pharmaceutical Price Committee of China Price Association, consultant of Pharmaceutical Economics Committee of China Association of Traditional Chinese Medicine, Consultant of Pharmaceutical Economics Committee of China Association of Research Hospitals, researcher of National Drug Policy and Pharmaceutical Industry Economic Research Center of China Pharmaceutical University.