The treatment of sprained foot is as follows: 1, injury immobilization and supportive treatment: after the foot sprain, first need to go to the hospital to take X-ray to exclude whether there is a fracture, if there is a fracture, need to play a cast or wear a brace for at least one month, bed rest, elevation of the lower limbs to promote the swelling, you can take calcium tablets to promote healing of the fracture. 2, surgical or immobilization of the injured area: if there is no fracture in the radiographs, there will be a ligament injury, ligament injury is usually seen. At this time, it is recommended to do magnetic resonance, to see whether the ligament has serious damage, rupture, if there is a rupture, you need surgery to repair, if the ligament damage is not serious, it is also recommended that the patient wear a brace or a plaster cast, at least three weeks of braking, so that the ligament has a recovery process, at this time, the foot will begin to swell, so you need to stay in bed and elevate the lower limbs, and so on the swelling gradually subside, you can help the crutches to go down to the ground, but the injured foot can not be The injured foot should not touch the ground.