Methods The effect of Magnolol on the propulsion of carbo medicinalis in small intestine in the mice given Rhubarb was observed. And the anti-diarrhea function on the mice with diarrhea induced by castor oil and Senna Leaf was observed too. 方法观察厚朴酚对生大黄小鼠小肠炭末推进的影响及对番泻叶与蓖麻油引起小鼠腹泻模型的止泻作用。