Patients with swollen ankles should rest, ice, brake, and elevate the lower limbs as follows: First, rest: lie in bed and rest absolutely, do not walk on the ground, and do not rub, press or rub. Second, ice: use ice or cool towels on the local area, so that vasoconstriction, reduce exudation, swelling, pain will be relieved. Third, braking: the so-called braking, is the use of plaster, splint, brace to stop the ankle joint activities, after the reduction of activities, the local swelling, pain will be relieved. Some people rub and press or move and walk on the ground after the injury, which can only aggravate the local exudation, make the swelling and pain worse, slow down the repair and slow down the healing, so the foot must be braked and rested after it is broken. Fourth, elevate the lower limb: be sure to elevate the affected limb at rest, using a pillow or mattress to elevate the affected limb to between 30-45 degrees, which is conducive to venous reflux, swelling subsides quickly, and pain also recovers quickly.