A sprained ankle is generally referred to as an ankle sprain, which will have the symptom of soft tissue swelling, and can be treated by braking, cold compress, compression, elevation and so on. 1. Braking: after ankle sprain, we should brake in time to protect the sprained joint, which can prevent secondary injuries, and help control inflammation and swelling, reduce bleeding. 2. Cold compresses: cold compresses can be applied to the affected area within 72 hours of ankle sprain, which can make the blood vessels contract, reduce the permeability of capillaries, reduce tissue exudation, and relieve the symptoms of swelling. 3. Pressure bandage: timely pressure bandage for ankle sprain can relieve the phenomenon of tissue bleeding and bruising, reduce the exudation of tissue fluid and reduce swelling. 4. Elevation: After ankle sprain, you can elevate the leg appropriately, the elevated position is higher than the level of the heart, which can promote the blood back to the heart and relieve the symptoms of swelling. It is recommended that the patient go to the hospital in time to clarify whether there is a fracture and other conditions occur, under the guidance of the physician to carry out the relevant treatment.