Taking Chinese medicine after diarrhea may be a manifestation of the expulsion of cold, but it may also be the purpose of treatment or the adverse reaction of the drug, the specific causes should be judged in conjunction with the patient’s condition. 1. Cold expulsion: if the patient is because the limbs are heavy, cold limbs, chest and epigastric congestion (chest and abdomen feel full and stuffy), abdominal pain and other cold and damp stagnation of the symptoms, taking cold and damp Chinese medicine, such as Poria, poria, Cangzhu and so on, there will be a possibility of diarrhea performance, is generally a normal phenomenon. 3. Therapeutic purpose: such as constipation in the patient after taking laxative drugs, such as rhubarb, mannite, senna, etc., there may be dilution of the performance. 2. Adverse reactions: If the patient himself has symptoms of spleen and stomach weakness, such as body emaciation, indigestion, etc., in taking cold drugs, such as Huang Ling, Huanglian, etc.. It is possible to aggravate the degree of weakness of the spleen and stomach, which may lead to adverse reactions such as diarrhea. When symptoms of diarrhea appear after taking Chinese medicine, you should go to the regular hospital in time to get medical treatment, clarify the cause of diarrhea, and deal with the cause.