Methods:Diarrhea frequence was selected as index for orthoganal design on the basis of mouse diarrhea induced by Cassia angustifolia Vahl.

• 方法:运用正交设计方法,用番泻叶造成小鼠腹泻模型,以腹泻次数为指标,观察白术芍药散各配伍与药效变化之间的关系。