There are many acupoints distributed on the feet, for the feet of the three yin meridians, the feet of the three yang meridians follow the place, the benefits of warm water foot soak mainly assist in removing cold, promote blood circulation, eliminate fatigue and so on. 1. Can assist in removing cold and sweat, while relieving cold feet, foot soaking during a cold will also help the body to get rid of the cold. 2. It can stimulate the liver meridian and gallbladder meridian to a certain extent, promote blood circulation, relieve fatigue and improve sleep quality. 3. Adding Chinese medicine to warm water can play the dual role of medicine and hot bath, for example, adding mugwort, motherwort, saffron, etc., which can dissipate cold and remove dampness, activate blood circulation and remove blood stasis (to promote blood circulation and eliminate blood stasis in the body), and warm the meridians and collaterals. It should be noted that if the skin on the feet has broken, ulcers do not recommend warm water foot soak, so as not to irritate, infected wounds, at the same time hot water foot soak can not play a role in the treatment of the disease, so the patient, if there is any physical discomfort, should go to the regular hospital in a timely manner, under the guidance of the doctor, so as not to delay the condition.