After soaking feet every night, sweating is a little better than not sweating, but in moderation, excessive sweating can lead to dehydration, the need for timely hydration. Foot soak can promote the blood circulation of the organism, the blood circulation of the feet is relatively poor, in winter will feel cold feet, easy to frostbite, appropriate foot soak can promote local blood circulation to increase the immunity of the organism. Female patients in the menstrual period, usually appear cold hands and feet, face spots, boredom and other uncomfortable symptoms, to the hospital examination and can not find a clear cause, through the foot soak can play a certain moderating effect. Foot soak should be selected between 8-9 pm, is the body appears to be weak, through the foot soak body heat will increase, blood vessels will expand accordingly. Need long-term persistence, in the foot soak to prevent burns, the water temperature should not be too high.