Associate Chief Physician at the Second Affiliated Hospital of Zhejiang University School of Medicine. Specializes in the endoscopic diagnosis and treatment of gastrointestinal diseases, particularly gastrointestinal bleeding, early-stage gastrointestinal cancer, and the diagnosis of submucosal masses in the gastrointestinal tract using conventional endoscopy and endoscopic ultrasound. Expertise also includes endoscopic treatment of esophageal and gastric variceal bleeding, endoscopic submucosal dissection (ESD) for early-stage gastrointestinal cancer, endoscopic excision of submucosal masses, and endoscopic treatment of internal hemorrhoids.