Dr. WANG Jianguo obtained a master's degree in clinical medicine from Hunan Medical University in 1994. Since 1994, he has served as a chief physician, a master's supervisor and the Deputy Director of the Department of Gastroenterology at SRRSH. He closely follows international advancements and integrates the most advanced international treatment concepts and techniques with personal extensive experience. He has rich clinical experience in the diagnosis and treatment of severe and complex cases in gastroenterology. He specializes in clinical diagnosis and treatment using gastroscopy and colonoscopy, with particularly extensive clinical experience in the use of ERCP (Endoscopic Retrograde Cholangiopancreatography) for the treatment of biliary and pancreatic diseases. He has published numerous papers in domestic and international journals and has led and participated in several national and provincial-level research projects.