Method: Experimental rat gastric ulcer models including waterlogging stress-restraint ulcer, pyloric ligation induced ulcer, indomethacin induced gastric mucosa injury and absolute alcohol induced gastric mucosa ulcer were used in this experiment.

• 方法：用水浸应激型、幽门结扎型、消炎痛致胃粘膜损伤型及无水乙醇致胃粘膜损伤溃疡模型方法试验。