The causes and treatment of ankle pain are as follows: 1. Acute ankle sprain: ankle ligament or articular cartilage injury, the patient shows pain and swelling on the affected ankle, requiring the affected limb to be braked, fixed in a cast if necessary, and treated with cold ice within three days before the injury; 2. Ankle arthritis: long-term chronic strain on the ankle joint, degenerative disease of articular cartilage leading to aseptic inflammation, which leads to ankle joint surface and joint The damage of cartilage and aseptic inflammation of the surrounding ligaments leads to bleeding and pain. Patients should reduce the amount of activity, less up and down stairs, and take oral non-steroidal anti-inflammatory and analgesic drugs; 3. Gouty arthritis, rheumatoid arthritis, and other rheumatic diseases: these include a variety of diseases, and patients should go to a hospital specialist for diagnosis and corresponding treatment.