小儿泻是儿科常见病之一。其临床见症不一,致病因素及发病机理亦复杂多变。一般可分为寒、热、虚、实四种类型。总的来说,泻的发病与脾胃功能失司有密切关系。正如张景岳所曰:“泻之本,不无由于脾胃。盖胃为水谷之海,而脾之主运化,使脾健胃和,则水谷腐熟而化气化血,以行营卫;如脾胃虚弱,则水反为湿,谷反为滞,精华之气不能输化,乃致合污下降,而泻痢作矣。” Pediatric diarrhea is one of the common pediatric diseases. The clinical symptoms vary, pathogenic factors and pathogenesis is also complex and changeable. Generally divided into cold, heat, virtual, real four types. In general, the incidence of diarrhea and spleen and stomach dysfunction are closely related. As Zhang Jingyue said: "The diarrhea of ​​this, not without the stomach .Get for the water valley of the sea, and the main transport of the spleen, the spleen and stomach, and water valor and blood gasification, in order to health Wei line; such as the stomach Weak, the water is wet, valleys are stagnant, the essence of the gas can not be transfused, but to co-contaminated decline, and Xie Li for men.