Leng Weidong, director of the Stomatological Center of the Affiliated Hospital of Hubei Medical College, Taihe Hospital, Hubei Province, vice president, professor and chief physician of the School of Stomatology of Hubei Medical College, master tutor of the School of Stomatology of Wuhan University, and doctor of clinical stomatology of West China College of Stomatology of Sichuan University. At present, he is a member of General Stomatology Committee of Chinese Stomatological Association, member of Oral Plastic Surgery Branch of China Society of Plastic Surgery, executive director of Hubei Stomatology Association, vice chairman of Hubei Oral and Maxillofacial Surgery Committee, vice chairman of Hubei General Stomatology Committee, member of Hubei Oral and Maxillofacial Trauma and Plastic Surgery Committee, and member of Hubei Rehabilitation Medical Association. Expert in Hubei Occupational Health Technology Evaluation Expert Database, Director of Shiyan Medical Association Professional Committee, Editorial Board of World Meta-analysis Journal, journal of clinical stomatology and Journal of Hubei Medical College.