Swelling of the broken foot may be caused by ligament injury around the ankle joint, or it may be caused by ankle fracture, the treatment includes physical therapy, medication and surgical treatment. 1. Ligament injury: most of the edema after breaking the ankle is caused by ligament injury, patients need to be braked, ice, elevate the affected limb and other treatments to promote capillary contraction and reduce edema in the acute period of 72 hours; 72 hours after the relief period, you can use a towel to accelerate the blood circulation; the pain is obvious that patients can take ibuprofen to relieve the pain. 2. Ankle fracture: after breaking the foot may also cause ankle fracture resulting in swelling, the patient needs to be braked and immobilized at the same time the affected limb and further improve the imaging examination, if the imaging suggests that the fracture is in good alignment, you can carry out the treatment of gypsum or support fixation; if the imaging suggests that the articular surface damage or comminuted fracture, it is recommended to carry out surgical treatment. If the patient has a broken foot, early standardized treatment is recommended to reduce the adverse effects of the disease. All of the above medications should be used under the guidance of a doctor, avoid self-medication.