Patients can be treated with cold and hot compresses after spraining their feet, but they need to master the time of use. Within 48 hours of the foot sprain can be treated with cold compresses, you can apply ice on the foot, by reducing the skin temperature of the foot, can make the injury capillary spasm contraction, can reduce bleeding, reduce swelling, can relieve pain. Foot sprain occurs 48 hours later, the injured part needs to take hot compress treatment, because the local exudate gradually reduce, will make local muscle soft tissue adhesion, can use warm boiled water soak feet or use orthopedic wash medicine fumigation. Can also be combined with physical therapy, baking electricity, improve the local skin temperature, can relieve the muscle adhesions, but also can make the injured muscle tissue as soon as possible to recover.