Methods: Observe the gastric acid secretion without stimulated or stimulated by gastrin in normal rats, rats with deficiency of the Pi, and which treated by BYT.

• 方法:观察了正常、大黄“脾虚”模型、“脾虚”后经补中益气汤治疗三组动物在未经刺激及经胃泌素刺激后的胃液总酸度变化。结果:未经刺激时三组动物的胃液总酸度无显著差异;