Playing basketball with a swollen foot may be caused by soft tissue injury, may also be due to avulsion fracture of the outer ankle and ligament injuries, treatment includes physical therapy, drug therapy and surgical treatment and so on. 1. Soft tissue injury: after breaking the ankle, it may cause acute injury to the soft tissues around the ankle joint, resulting in edema, patients need to brake the affected limb, ice, elevate the affected limb and other dispositions, to avoid the ankle to be stimulated by stress again. Try to choose bed rest, if you must go down to the ground can choose support or crutches for protection. After 72 hours of relief, you can choose hot compresses, physical therapy and other ways to reduce swelling. 2. Avulsion fracture: Avulsion fracture of the external ankle may also cause swelling of the foot after breaking the foot, the patient first needs to carry out imaging examination to clarify the fracture. If the alignment is good, you can choose plaster or brace fixation, and at the same time give ibuprofen, sodium heptaphyllum saponin and other pain and swelling drugs for treatment. If there is obvious displacement of the fracture, it is recommended to perform surgical internal fixation and anatomical or functional repositioning of the outer ankle. 3. Ligament injury: after breaking the foot may cause acute injury to the ligaments in the ankle joint, resulting in edema, the patient needs to brake the affected limb, ice, elevate the affected limb and other dispositions, to avoid the ankle again by stress stimulation. Try to choose bed rest, if you must go down to the ground can choose support or crutches for protection. If the condition is more serious, surgical suture treatment can be considered. The same symptom, with different causes, different degrees of injury, different treatment methods, should be standardized under the guidance of a doctor. The above drugs need to be used under the guidance of a doctor, avoid self-medication.