Pepper water is pepper decoction water, with warming pain (through the warmth of the spleen and stomach to relieve pain), kill insects and itching effect, there is no “ten efficacy” this statement. Peppercorns are used as a decoction of water or a decoction of fumigation. Pepper is pungent, warm and dry, and enters the spleen and stomach meridian, can warm the middle and dry dampness, dispel cold and relieve pain (by removing the cold in the body to relieve pain), and can treat vomiting and diarrhea, stomach cold and pain, and inappetence caused by spleen and stomach deficiency (spleen and stomach weakness and cold). Peppercorns can also be combined with other medicines to expel roundworms and kill worms, treating abdominal pain caused by worms, syncope of the hands and feet (unconsciousness, accompanied by cold limbs, even to the elbows and knees), and vomiting roundworms in boredom. Treatment of the above conditions commonly used decoction method. Pepper also has the efficacy of killing insects and itching, can treat women’s vaginal itching and eczema itching, mostly with decoction external wash. The adverse reactions and contraindications of pepper are not clear. If there is a need for medication, it is recommended to go to the hospital to use medication under the guidance of a doctor’s diagnosis, do not use medication on your own, so as not to delay the condition.