He is currently a professor at the Institute of Geriatrics, Xiyuan Hospital, Chinese Academy of Traditional Chinese Medicine. He is also a member of the Standing Committee of Geriatrics Branch of Chinese Medical Association, deputy head of the Basic Science Group of Geriatrics Branch of Chinese Medical Association, member of the Expert Committee of China Geriatrics Association, member of the Professional Committee of Health Care and Rehabilitation Medicine of China Association of Integrated Traditional Chinese and Western Medicine, member of the Professional Committee of Anti-aging and Alzheimer's Disease Pharmacology of China Pharmacology Association, director of Beijing Gerontology Association, member of the Expert Committee of China International Health Care Association, China Journal of Integrated Traditional Chinese and Western Medicine, China Journal of Geriatrics, Medicine and People, health care hospitals, etc. Visiting Professor, Zhao Guang Institute of Public Health.