The efficacy of moxa leaves, peppercorns and ginger foot soak is to warm the meridians and disperse cold (warming the human body meridians and dispelling the cold in the body), soothe the mind and help you sleep, and dispel dampness and swelling. Mugwort, pepper, ginger are warm, with its foot soak to help warm the meridians, dispel cold, can be used to relieve menstrual cramps, reduce the symptoms of wind-cold cold. The three medicines are mild in nature, and soaking the feet in them helps to speed up the running of blood and qi, making the body sweat slightly, which is conducive to getting rid of dampness in the human body, and reducing swelling in the body. There are skin ulcers, varicose veins, serious people, prohibited foot soaking, foot soaking to the body slightly sweating is appropriate, not sweating, so as not to cause dizziness and other discomforts. If there is any discomfort promptly consult a doctor, drugs need to be used under the guidance of a doctor.