Peppercorns in water has the effect of warming the middle and relieving pain (by warming the spleen and stomach to relieve pain) and killing insects. But pepper soaked water can play a limited medicinal effect, can not replace the drug treatment of disease, discomfort should be timely medical treatment, under the guidance of the doctor to choose the drug treatment, not self-medication. Pepper belongs to the traditional Chinese medicine in the warm medicine, taste pungent, warm, return to the spleen, stomach, kidney, with warm pain, kill insects and itching effect. Cold hot, peppercorns in water can be warmed through its efficacy to treat cold damage to the spleen and stomach caused by abdominal pain, cold and wet vomiting and diarrhea, and peppercorns have the efficacy of killing worms, can treat roundworms and pinworms stagnation in the stomach and intestines caused by abdominal pain and other symptoms. It should be noted that pregnant women should not take pepper.