Abstract:The traditional Chinese medicine Weiteling Pian shows a marked anti-ulcer action when administered orally at a dose of 3g/kg. The drug has been found able to inhibit the formation of stress restraint induced ulcer and reserpine induced ulcer A decrease of volume of gastric juice collected from pyloric ligated stomaches and a reduced level of gastric acid have also been observed. In addition, the drug can reduce the inflammatory reaction of the acute gastritis induced by salicylate.