The swollen leg can be reduced by the following methods to relieve swelling and pain: first, elevate the affected limb as far away from the heart plane as possible, while continuing cold compress treatment for 72 hours, which can promote the swelling to subside and relieve pain; second, the patient actively moves the toes as well as the ankle joint daily and contracts the leg muscles, which can accelerate blood circulation and promote the swelling to subside, thus relieving the leg pain; third, use medication, such as Celecoxib Fourth, if there are local fractures, dislocations, ligament tears and muscle injuries, surgery may be required to restore the stability of the fracture end and the continuity of the ligament, so that the swelling and pain can be gradually relieved.