Professorate chief physician, well-known general surgery expert, MD and head of the general surgery department of Beijing hospitals under the Ministry of Health, visiting scholars to Dallas Medical Center in 1988 and 1989; he specializes in hepatic-biliary-pancreatic surgery, minimally invasive surgery and clinic nutrition support, well experienced in diagnosis and treatment of hepatic-biliary-pancreatic diseases and capable to perform such surgeries as liver resection, liver transplantation, bile duct cancer removal and pancreatic duct cancer removal and other general surgeries.