Feet in the stairs broke the swelling first to determine the degree of injury, common soft tissue mild injury, ligament tear or rupture, fracture and so on, and then according to the different causes of braking cold treatment, drug treatment and surgical treatment and other treatments. 1. Mild soft tissue injury: the affected limb should be immediately braked to avoid the activity of the affected limb, in the acute stage of the use of ice packs on the affected area for cold compresses, can inhibit bleeding, to avoid the swelling continues to worsen, 72 hours after the injury can be hot compresses, rest for 1 to 2 weeks can gradually ease. 2. Ligament tear or rupture: mild ligament tear can be fixed with plaster or brace, elevate the affected limb, and take anti-inflammatory and analgesic drugs such as diclofenac sodium, ibuprofen, etc. to relieve the pain, and if the ligament tear is serious or even rupture, it should be treated by surgery, and ligament suture repair surgery should be carried out. 3. Fracture: If ankle fracture occurs, mild undisplaced fracture can be treated conservatively, plaster or brace fixation to recover, serious fracture should be treated surgically, surgical reduction and internal fixation. Patients whose feet are swollen in the staircase, should seek medical examination in time to clarify the cause of the disease, determine the treatment plan according to the condition, and carry out standardized treatment under the guidance of the doctor, so as not to delay the condition.