Foot soaking in mugwort leaf and pepper water has the efficacy of warming the middle and driving away cold, killing insects and relieving itching, and can be used to treat skin diseases and so on. Mugwort leaf belongs to a kind of traditional Chinese medicine, which can warm menstruation, stop bleeding, disperse cold and relieve pain; externally, it can dispel dampness and relieve itching. It is used in the treatment of hematemesis, epistaxis, metrorrhagia (excessive menstrual flow or dripping), menorrhagia, fetal leakage (small amount of vaginal bleeding in early pregnancy), hyperemia, cold pain in the abdomen, dysmenorrhea, infertility with cold uterus; and externally for the treatment of skin itching. Vinegar moxa charcoal warms menstruation and stops bleeding, used for deficiency cold bleeding. Pepper also belongs to a kind of traditional Chinese medicine, which can warm the middle and stop pain (relieve pain by warming the spleen and stomach), kill insects and stop itching. It is used for cold pain in the epigastrium (feeling cold pain in the stomach and abdomen), vomiting and diarrhea, and abdominal pain caused by worms; and externally to treat eczema and itching in the pubic area. The two drugs together in water for external use, can play a certain warming cold, killing insects and itching effect, can be used to treat skin diseases, as well as some of the cold disease. Each person’s physical condition is different, if the skin is more sensitive, with moxa leaves and peppercorns water foot soak, may cause skin irritation. If you are allergic to the ingredients inside the mugwort leaves or peppercorns, it may cause symptoms of allergy, resulting in redness and itching of the skin. Drugs should be used under the guidance of a doctor to avoid adverse consequences.