Specializes in the diagnosis and treatment of choledocholithiasis, biliary pancreatitis, tumors, and other obstructive jaundice diseases under ERCP, and is also skilled in the standardized diagnosis and treatment of gastrointestinal tumors, especially totally laparoscopic minimally invasive surgery for gastric and colorectal cancer. Has long been engaged in clinical work in the field of minimally invasive biliary surgery, and specializes in the diagnosis and treatment of choledocholithiasis, biliary pancreatitis, tumor-related obstructive jaundice, and other diseases under ERCP. Has long-term and extensive experience in the minimally invasive treatment of intrahepatic and extrahepatic bile duct stones and the endoscopic diagnosis and treatment of various benign and malignant biliary strictures, and is also skilled in the standardized diagnosis and treatment of gastrointestinal tumors, especially totally laparoscopic minimally invasive surgery for gastric and colorectal cancer. At present, the annual surgical volume of ERCP in the South Campus of Renji Hospital is more than 500 cases. The specialty group comprehensively promotes painless ERCP diagnosis and treatment to minimize patients' suffering and improve diagnostic and therapeutic outcomes. With rich clinical experience, exquisite techniques, a high success rate, and few complications, it is highly praised by patients. The specialty group has long focused on basic and clinical research on benign and malignant tumors of the biliary tract and pancreas. In the past 5 years, more than 10 papers have been published in core journals, including 5 indexed by SCI.