• President , Executive member, standing committee of International Society of Cryosurgery, (ISC);
• Vice director, Gastroenterology Society, Chinese Association of Integrative Traditional Chinese Medicine and Western Medicine;
• Former committee member, Pancreatic Disease Group, Digestive Disease Society, Chinese Medical Association;
• Former committee member, HP Group, Digestive Disease Society, Chinese Medical Association;
• Vice-chairman, Gastric Disease Committee, Chinese Medical Promotion;
• Former vice-chairman of Committee of Digestive Disease, Guangdong Medical Association;
• Former chairman of Committee of Endoscopy- Digestive Disease, Shenzhen, Medical Association;
• Chairman, National Clinical Research of Breath Test Association;
• Member of the standing committee, Digestive Committee, Guangdong Integrative Traditional Chinese Medicine & Western Medicine;
• Member of the standing committee, Medical Committee, Guangdong Senior Professor Association;
• Researcher, International Hepatic Disease Association;
• Member, World Hepatic Disease Association