The main ingredient of both Stasu and Gastropin is aluminum hydroxide, both have the effect of neutralizing stomach acid and relieving spasm and pain, but Stasu also contains methionine, which has a certain protective effect on the gastric mucosa. Both can be applied to gastritis, gastric ulcer caused by pain, in order to reduce the gastric acid on the gastric mucosa stimulation has a certain effect. The current use of drugs for the treatment of gastritis, gastric ulcer is mainly proton pump inhibitors, the role of the proton pump can fundamentally inhibit the secretion of gastric acid, the efficacy of the effect is better compared to the effect of Stasol and gastric soothing, longer duration, stronger effect of inhibiting stomach acid.