Ankle sprains are common in our lives. Sprains can easily occur when walking carelessly, going down stairs, or playing sports. After a sprain, there will be swelling, pain, limping, and even inability to walk on the ankle. When you sprain your foot, you must stop moving, and you should not rub it at will. Instead, you should find a way to put your foot up, preferably higher than your heart, so that the blood can flow back and reduce swelling and pain, and then judge the severity of the injury. If the pain is very severe, the swelling is also very rapid, and the ankle does not dare to move, the situation is more serious, and you must go to a doctor. After checking the injury, regardless of the severity, we must immediately apply cold compress to the injury, a simple method is to put a towel soaked with cold water on the foot injury, feel the towel is no longer cold, and then wet with cold water, in addition, you can also put ice into a plastic bag for external compress, each time about 30 minutes, of course, with cold water can be directly flushed, after the cold compress, if the injury is heavy with fractures, we must Immediately to the hospital for examination, but first to do a simple fixation of the injured part. You can use clothing to wrap the ankle simply, outside with a hard board, stick to your ankle joint tied, so as to avoid its continued damage. If it is a minor sprain, we can save ourselves, within 48 hours to use cold compresses, after 48 hours can be changed to hot compresses. Immediately after the injury is not recommended to use topical blood medicine, you can apply pain relief spray. After 48 hours, you can use hot compresses, warm water foot soak, to promote local circulation, which helps the injured soft tissue. Including the repair of ligaments and muscles. In the diet should also pay special attention, it is best to clear the light, hot and spicy food is recommended not to eat for the time being, as far as possible to minimize the activities on the ground. It is important to remind you that when resting, you must put your foot higher than your heart to reduce swelling and pain.