After the patient’s foot sprain, the rapid treatment methods are rest, ice, compression, elevation, as follows: 1, rest: immediately stop walking, rest at rest to prevent secondary injury and reduce tissue edema. 2, ice: between 24-48 hours of injury can be iced, about 15 minutes each time, every two ice time interval of more than two hours. 3, compression: use elastic bandage appropriate pressure, to be able to tolerated, does not affect blood circulation as degree, can reduce swelling. 4, elevation: put the injured part above the level of the heart to increase blood return, reduce swelling and promote recovery. If the symptoms are heavy, after the treatment at the scene, it is recommended to go to a regular hospital for X-ray examination to exclude fracture and, if necessary, MRI examination to exclude ligament damage. According to the examination results, the professional doctor will formulate the next treatment plan.