In winter, it is best to choose mugwort, saffron, ginger and other warm medicines to soak feet, because the weather in winter is relatively cold, mugwort has the effect of warming the meridians and eliminating cold and dampness, and the cold and dampness can be discharged out of the body by soaking feet. At the same time with saffron, saffron has the effect of warming the meridian, can also be the body of the cold out. The nature of ginger is pungent and warm, and has sweating to relieve the surface, warm stop vomiting, warm lungs and cough effect, because the winter weather is cold, people are easy to cold, ginger can relieve the body of the surface of the evil, so it is a particularly suitable choice for winter foot soak. Every night, insist on using them to soak your feet for about 20 minutes, soak to the body slightly sweating and not able to sweat, which is the best time to insist on soaking your feet has a certain effect on promoting sleep.