Chief Physician, Associate Professor, Doctor of Medicine. With 40 years of experience in the diagnosis and treatment of digestive system diseases, specializes in peptic ulcers, gastrointestinal bleeding, inflammatory bowel disease, functional gastrointestinal disorders, anorectal diseases, pelvic floor disorders, constipation management, as well as early diagnosis and treatment of colorectal cancer and gastric cancer. Led the initiation of minimally invasive endoscopic treatment for internal hemorrhoids. Currently serves as a member of the Internal Hemorrhoid Collaboration Group of the Chinese Society of Digestive Endoscopy, Deputy Secretary-General of the Asia-Pacific Colorectal Federation's Asian Colorectal and Pelvic Floor Disease Alliance, Standing Committee Member of the Digestive Endoscopy Branch of the Cross-Strait Medical and Health Exchange Association, Member of the Genetics Group of the Colorectal Cancer Professional Committee of the Chinese Anti-Cancer Association, Member of the Digestive Endoscopy Molecular Imaging Committee of the Chinese Research Hospital Association, Executive Director of the Guangdong Liver Disease Society, and Chair of the Internal Hemorrhoid Professional Committee. He is an expert in medical malpractice appraisal for Guangdong Province and Guangzhou City, and a contributor to the development and publication of the Chinese consensus on clinical diagnosis and management of hereditary colorectal cancer and family management, the Chinese expert consensus on transanal drug administration for constipation, and the Chinese guidelines and operational consensus for endoscopic treatment of internal hemorrhoids. He has received one third prize of the National Science and Technology Progress Award, one second prize of the Military Science and Technology Progress Award, and one second prize of the Guangdong Provincial Science and Technology Progress Award.