Sports medicine has a “rice principle (RICE)”, is specifically for the management of sports injuries. If the injury is not serious, you can refer to this principle to deal with, if still can not heal, then you must see a doctor. The “rice principle” includes the following four steps: the first letter R stands for rest (rest), requiring the athlete to stop the movement of the injured part, good rest can promote faster recovery; the second letter I stands for ice compress (ice), this link is very important, ice bags placed on the injured part, the injury After 48 hours, every 2~3 hours ice compress 20~30 minutes, ice compress skin feeling has four stages: cold → pain → burning → numbness, when become numb when you can remove the ice bag; The third letter C stands for constrict (compression), compression to reduce the swelling of the injured area, you can use elastic bandage wrapped in the injured area, such as foot, ankle, knee, thigh and other parts, to reduce The fourth letter E stands for elevate, which elevates the injured area with ice and compression to reduce blood circulation to the injured area and avoid swelling. The injury should be elevated above the heart and, if possible, remain elevated for 24 hours after the injury. When a fracture is suspected, it should be immobilized in a splint before elevation.