After the symptoms of swelling and pain after the leg sprain, first of all, the patient should be affected limb weight-bearing, bed rest, leg braking, limiting the limb weight-bearing, elevating the affected limb is conducive to the subsidence of swelling, and if necessary, need to prevent the formation of blood clots. If the sprain is mild, you can consider resting at home. If the sprain is more serious, you must go to the orthopedic clinic of a regular hospital as soon as possible, complete the necessary examinations, and choose further treatment after a clear diagnosis. At the time of the injury, you can use ice packs to apply cold compresses, and after 48 hours, according to the specific situation, choose to activate blood circulation and eliminate blood stasis, anti-inflammatory and analgesic drugs for treatment. If there is no relief within a short period of time, you must go to the regular hospital in time, do not delay the condition.