Changxin Liu, Chief physician, professor, Master Supervisor.

Director of Pain Diagnosis and Treatment Center, Dongzhimen Hospital, Beijing University of Traditional Chinese Medicine;

Director of Tuina Department, Physiotherapy Department of Beijing Pain Characteristics Diagnosis and Treatment Center;

Director of Tuina Department, Beijing University of Traditional Chinese Medicine, Head of Key Clinical Subjects of Tuina;

Director of Institute of Pain Research, Dongzhimen Hospital, Beijing University of Chinese Medicine;

Director of the Institute of Folk Therapy, Director of the Tuina Regional Center of the State Administration of Traditional Chinese Medicine and Director of Key Specialties.

Honorary Chairman of the Pain Branch of the Chinese Academy of Chinese Medicine; Chairman of the Pain Rehabilitation Academic Industry Alliance of the Chinese Academy of Chinese Medicine;

Executive Chairman of the Tuina Branch of the Chinese National Medical Association;

Vice Chairman of the World Association of Chinese Medicine Appropriate Technology Evaluation and Promotion Committee;

Chinese Medical Equipment Association Chinese Medicine Secretary-General of the Equipment Branch;

Deputy Chairman of the Beijing Traditional Chinese Medicine Academy Tuina Professional Committee;

Chairman of the Beijing Traditional Chinese Medicine Academy Pain Professional Committee; Member of the Chinese Academy of Chinese Medicine;

Member of the Expert Committee of Chinese Medicine Diagnosis and Treatment Equipment of the State Administration of Traditional Chinese Medicine;

Member of the National Tuina & Massage Committee;

Vice Chairman of Beijing Tuina & Massage Academy.