Chinese Society of Gastroenterology (CSG) was officially established in 1980. The idea of establishing CGS was proposed for the first time by some gastroenterologists at the National Congress of Internal Medicine that took place in Tianjin in 1964, which, however, was not conducted due to subsequent outbreak of Cultural Revolution. Fourteen years later, renowned discussion on the establishment of CSG during the 1st National Congress of Gastroenterology that was held in Hangzhou in November, 1978.At that point, the preparatory committee for CSG was set up. Two years later, i.e. 1980, the 1st National Congress of International Medicine took place in Guangzhou, during which, CSG was officially established. Hence, CSG was founded in Guangzhou in December 1980.