Taking rhubarb after the occurrence of diarrhea, first of all, you should stop continuing to use the drug, can be appropriate supplemental water, generally in the diarrhea after a certain number of times can be relieved on their own. The source of rhubarb for Polygonum palmatum rhubarb, Tangut rhubarb and other dry roots and rhizomes, its taste bitter, cold, with diarrhea and attack the accumulation of heat and fire (to remove the body of heat and fire), cool blood detoxification (refers to the treatment of blood-heat and toxicity of the method), dampness, yellow and other effects. Taking rhubarb after the occurrence of diarrhea, the play of its efficacy related to the normal transient reaction, generally stop taking a period of time, can be relieved. It should be noted that rhubarb is a strong attack of the product, so pregnant women and women menstruation, lactation, etc. should be avoided, and weak spleen and stomach should be used with caution, the specific use of the physician’s evidence should be carried out under the guidance of the doctor, can not blindly take rhubarb on their own.