Dr. Sang Yuer gradated from the Clinical Medicine department of Shanghai No.2 Medical university in 1993 and started practicing as a digestive internist in 1994. Dr.Sang focuses on basic and clinical research of functional gastroenteropathy and inflammatory bowel diseases and exhibits rich clinical experience in diagnosis and treatment of such diseases. Dr. 5ang is also apt at diagnosis and treatment of common digestive tract diseases, such as reflux esophagitis and digestive ulcer. Dr. 5ang exhibits mastery of gastroscopy and colonoscopy examination, as well as endoscopic treatment of gastrointestinal polyps.