Objective To study the effects of Qiweibaizhusan ultra-micro powder on small intestine Villus height (V) , Crypt depth (C) in diarrhea mice with dysbacteriosis. Methods The mice model with dysbacteriosis were treated with antibiotics mixture composed of Cefradine Capsules and Gentamycin Sulfate injection by intragastric administration, and then one treatment group mice were given the traditional decoction of Qiweibaizhusan, the other treatment groups' mice were given 1/2 amount of ultra-micro powder Qiweibaishusan, and the normal group and...