In order to quickly reduce swelling and pain after a leg bump, methods include local cold compresses, debridement surgery, braking, elevation of the affected limb, oral medication, etc., as follows: 1. Local cold compresses: If there is no local open wound, local cold compresses need to be applied as early as possible, which can reduce bleeding, reduce local swelling and relieve pain. 2. Debridement surgery: If the patient has a local open wound, early debridement surgery must be performed. The earlier the surgery, the better, to minimize the chance of infection, otherwise once infection occurs, swelling and pain are difficult to improve. 3, braking: need to protect the limb braking, especially if there is a displaced fracture, need to actively reset. 4, elevate the affected limb: need to actively elevate the affected limb, higher than the heart, is conducive to promoting venous return, conducive to swelling. 5, oral medication: such as non-steroidal Anti-inflammatory and analgesic drugs and blood-stasis activating drugs can effectively improve the patient’s local swelling and pain symptoms.