OBJECTIVE To observe the preventive and therapeutic effects of Anwei pills on H. pylori infected gastritis in the Balb/c mice. METHODS A Balb/c mouse model with Hp infectious gastritis was established through oral administration of mankind Hp, after oral administration of Anwei pills for 20 day, the stomach was removed from each mouse for the rapid u rea assay, H. pylori cultivation and Gimsa staining, pathologic changes of the gastric mucosa were studied by microscope. RESULTS The Hp eradicate rate in Anwei pills high, middle, low groups were 70%,60 %, 30% respectively. In the same way, the c...