The main research direction is the diagnosis and treatment of chronic liver disease. He has accumulated rich experience in the diagnosis and treatment of chronic liver diseases such as fatty liver and cirrhosis, biliary and pancreatic diseases, gastrointestinal diseases and other digestive tract diseases. Good at gastroscopy, duodenoscopy, colonoscopy and other endoscopic diagnosis and treatment. He has published more than 50 papers/kloc-0 in American JBC and other domestic and foreign magazines, including nearly 30 papers by the first author or correspondent of SCI. The total impact factor of the first author or correspondent's article is nearly 30 points, and it has been cited more than 100 times abroad. Editor-in-Chief: Handbook of Liver Diseases, New Theories and Technologies of Digestive System Tumors, and Deputy Editor-in-Chief: Modern Pharmacotherapeutics of Digestive System Diseases, book 15. He published more than 40 papers and was included in SCI. In recent years, he has won the second prize 1 item and the third prize of 65438 items (the first finisher) of the army's scientific and technological progress, and has been funded by the National Natural Science Foundation of China, the Shanghai Youth Science and Technology Star Program, the Tenth Five-Year Plan of the army, and the key projects of the Shanghai Science and Technology Commission. In 2002, he won the first prize and the best speech prize of the second national academic conference on digestive young people. In 2004, it was rated as a "rising star of science and technology" by the General Logistics Department.