Methods The four models of gastric mucosal lesion in mice induced by ethanol absolute,aspirin,reserpine injection and water immersion stress were established.

• 方法无水乙醇法、阿司匹林法、水浸应激法和利血平法制备小鼠胃黏膜损伤模型,测定给药后胃黏膜损伤面积。