Objective To study Changes of 5-HT receptor in colon of rat with spleen deficiency combined with gastric ulcer and the therapic mechanism of Sijunzi decoction.

• 目的探讨脾气虚胃溃疡证病结合模型结肠中5-羟色胺及其受体的变化,及加味四君子汤治疗脾虚证的机理。