1983 graduated from the medical department of west China medical university, and 1986 obtained the master's degree in gastroenterology from Chongqing medical university. 65438-0986: Resident and lecturer in the Department of Gastroenterology, First Hospital of Chongqing Medical University. 1992 studied at the medical center of Leiden university in the Netherlands, and obtained the doctor's degree of Lamers CBHW, president of the Dutch gastroenterology society. 1996. After returning to China, he served as director, professor and doctoral supervisor of the Department of Gastroenterology, the First Hospital of Chongqing Medical University. He was awarded the National Science Fund for Outstanding Young Scholars, a young and middle-aged expert with outstanding contributions to the country, a first-class and second-class candidate for the National Million Talents Project, a member of the Hormone Group and Pancreas Group of the National Digestion Society, and the chairman of the Digestion Committee of Sichuan and Chengdu. He has published more than 65,438+000 papers, and his representative works have been published in internationally renowned journals such as Gastroenterology, Gut, Br J Cancer, Int J Cancer, Carcinogenesis, Pancreas and other Chinese medical journals in China.