The Department of Gastroenterology at Taikang Xianlin Gulou Hospital is led by Professor Zou Xiaoping, the President of Taikang Xianlin Gulou Hospital, Vice President of Nanjing Gulou Hospital Group, Vice Chairman of the Digestive Endoscopy Committee of the Chinese Medical Association, and Vice Chairman of the Digestive Endoscopy Committee of the China Association of Non Public Medical Institutions. It is a key specialty in Nanjing and currently has deep cooperation with Nanjing Gulou Hospital to treat various common digestive diseases and difficult and severe cases. Simultaneously establish an endoscopy center to provide endoscopic treatment for diseases such as early esophageal cancer, early gastric cancer, and early colorectal cancer (polyps); Endoscopic ultrasound examination and fine needle aspiration biopsy; Endoscopic retrograde cholangiopancreatography and related techniques. The total area of the hospital's digestive endoscopy center is about 1600 square meters, with an annual outpatient volume of over 50000 people and more than 3000 hospitalizations. Endoscopic diagnosis and treatment account for over 20000 cases annually, and the diagnosis rate of early gastric cancer exceeds 30%.