The efficacy and role of wormwood ginger water foot soak is to warm menstruation, cold and dampness, sweating, through the network, sleep and so on. But foot soak can only play an auxiliary role in health care, the role of the force is weak, often not up to the efficacy of the treatment of disease. Wormwood is warm, is warm menstruation stop bleeding medicine, with its external foot bath can be warm through the meridians; ginger is an antidote, with its external foot bath can be warm menstruation dispersal of cold, warming the middle Jiao. Both of them are warm, common decoction foot soak is conducive to the body of qi and blood running, sweating, dispersing the body of cold, relieve the symptoms of wind-cold, conducive to warm through the meridians, alleviate the paralysis of joint pain, etc. is a cold evidence of the person. The temperature of the foot should not be too high, the amount of water to not over the ankle is appropriate, to the degree of sweating, not over-sweating. People with skin ulcers, varicose veins and severe coronary heart disease should not soak their feet. Please use medication under the guidance of the doctor’s diagnosis and treatment, do not delay the condition by self-treatment.