Orthotopic liver transplantation (174 donors and 49 recipients were operated on). Extensive experience in liver resection of all liver segments, including anatomical liver resection of the Lannnec capsule under laparoscopy. Extensive experience in radical surgical treatment of intrahepatic and extrahepatic tumors and biliary tumors. Completed portal vein thrombectomy and portal vein resection-artificial blood vessel replacement during pancreaticoduodenectomy. Extensive experience in surgical treatment of portal hypertension, and completed hundreds of shunt and disconnection operations. Strong vascular surgery capabilities, and treated dozens of subrenal abdominal aortic aneurysm resection-artificial blood vessel replacement. Has a good foundation in general surgery, and is good at gastric and colon tumor surgery and thyroid and breast surgery. Particularly good at retroperitoneal giant tumor surgery and complex multiple abdominal reoperations.