Sprained dorsum of the foot should be given according to the severity of the injury, braking rest, cold compresses, medication, physical therapy and so on. 1. Braking and resting: dorsal sprain can cause soft tissue contusion or even fracture, so it is necessary to go to the hospital in time to do X-ray or CT examination in order to understand the condition. The purpose of braking can be achieved by external fixation with plaster or brace. Short-term braking and resting will help to relieve swelling, pain and other symptoms, and at the same time will be conducive to the repair of tendons. 2. Cold compresses: ice should be applied to the local area within 72 hours to reduce edema, and the affected limb should be elevated to promote venous return. hot compresses can be applied after 72 hours. 3. Medications: Oral non-steroidal anti-inflammatory drugs, such as Erythroxib and Celecoxib, can help to relieve localized swelling and pain after a sprained dorsum of the foot. 4. Physical therapy: such as red light, microwave, and a variety of rehabilitation training. After the sprain of the back of the foot should be timely to the hospital and do the relevant examination, and then follow the doctor’s instructions with standardized treatment and rehabilitation training.