The invention relates to a medicament for treating various kinds of gastroenteropathy and a preparation method thereof, and belongs to the technical field of Chinese medicaments. The medicament mainly solves the problems of not good effect and high cost of treatment for gastrointestinal diseases such as cholecystitis, enteritis, chronic appendicitis, acute and chronic gastritis, gastric ulcer, duodenal ulcer, duodenal ulcer, nausea, emesia and dyspepsia by adopting Sanjiu Weitai, Wenweishu, Yangweishu, coptis teeta pills, crataegus pills and the like. The medicament is characterized in that: the medicament is prepared from the following raw materials by weight: 2 to 8 of dark common monkshood daughter root, 2 to 8 of golden thread, 30 to 50 of white paeony root, 20 to 40 of largehead atractylodes rhizome, 2 to 8 of mix-fried liquoric root, 2 to 8 of villous amomum fruit, 20 to 40 of cassia twig, 2 to 8 of cassia bark, 2 to 5 of Chinese angelica, 0.8 to 1.2 of fructus evodiae and 2 to 5 of dried ginger. The medicament has the characteristics of obvious curative effect and low cost. The medicament is particularly suitable for treating various kinds of gastroenteropathy in rural areas.