Wang Zhenjun, professor, chief physician, and doctoral supervisor of the Beijing Chaoyang Hospital affiliated to the Capital Medical University. He is the director of general surgery and enjoys the special allowance of the State Council. Currently, he is the chairman of the Professional Committee of Colorectal Cancer of the Chinese Society of Anorectal Physicians, the Vice president of the Chinese Society of Anorectal Physicians, the Vice chairman of the Colorectal Surgery Group of the Chinese Society of Surgery, the vice chairman of the Digestive Diseases Committee of the Chinese Medical Education Association, the national member of the Chinese Society of Surgery, the national member of the Chinese Society of Surgery, the National member of the Chinese Society of Surgery. Vice Chairman of the Fifth Professional Committee of Colorectal Diseases, Vice chairman of the Beijing-Tianjin-Hebei Colorectal Cancer Physicians Alliance, Vice chairman of the Clinical Diagnosis, Treatment and Research Center of Colorectal Cancer, Capital Medical University, member of the first Gastrointestinal Cancer Professional Committee of the Chinese Research Hospital Association, member of the first Application Committee of Formulated Food for Special Medical Purposes of the Chinese Nutrition and Health Food Association, and the first Chinese Research Committee Member of General Surgery Committee of Beijing Hospital Association, member of General Surgery Expert Committee of Beijing Medical Doctor Association, vice chairman of Traditional Chinese Medicine Surgery Committee of Beijing Association of Traditional Chinese Medicine, standing member of Anorectal Professional Committee of Beijing Association of Traditional Chinese Medicine, member of Department of General Surgery and leader of gastrointestinal Professional Group of Capital Medical University, and editoral board member of several peer-reviewed journals.