There is no fastest way to reduce the swelling of the leg after a fall, the swelling usually takes some time to absorb and recover, you can use ice, hot compresses, brakes, compression bandages and medication to promote the swelling to subside. 1. Ice, hot compresses: within 72 hours after a leg fall, you can apply ice to the local area of the fall, which is conducive to vasoconstriction to reduce oozing, and then change to local hot compresses after 72 hours, which promotes local blood circulation and the absorption of the swelling. 2. Braking: After the leg fall, the leg should be braked in time, avoiding the activity of the affected limb, and at the same time, the affected limb can be elevated, which is conducive to the return of blood flow and reduce the swelling of the leg. 3. Pressure bandage: when swelling occurs in the leg, elastic bandage can be used to apply appropriate pressure on the localization of the bandage, which can help to reduce the swelling. 4. Medication: If the pain is obvious, you can take non-steroidal anti-inflammatory drugs, such as celecoxib, ibuprofen, etc., which can reduce the inflammatory reaction and relieve pain. The above drugs need to be used under the guidance of a doctor. After the leg is swollen, it is recommended to consult a doctor in time, under the guidance of the doctor to carry out appropriate treatment.