Gastroesophageal reflux disease, chronic atrophic gastritis, refractory Helicobacter pylori infection, peptic ulcer, early gastrointestinal cancer, gastrointestinal polyps, pancreatitis, fatty liver, acute and chronic liver diseases, cirrhosis, esophageal-gastric varices, inflammatory bowel disease.

Master's graduate from Sun Yat-sen University, Associate Chief Physician. Twenty years of clinical, teaching, and research experience in tertiary hospitals. Completed fellowship in endoscopic diagnosis and treatment at Zhongshan Hospital, Fudan University; rich clinical experience.