Pain in the lower recess of the outer ankle of the foot can be managed in several ways: first, if the pain is caused by synovial inflammation in the joint space, it can be treated with localized ultrashort wave therapy and oral non-steroidal anti-inflammatory drugs such as celecoxib capsules and loxoprofen sodium tablets, which are able to relieve mild to moderate pain. If the pain is more severe, the medical history is longer, and the MRI shows severe synovial hyperplasia in the joint, arthroscopic minimally invasive surgery can also be used to remove the inflamed synovium and relieve joint pain. Second, the ligament injury below the outer ankle, mainly in the process of sports, the occurrence of inversion position ankle sprain, the patient will have pain and swelling below the outer ankle, accompanied by activity limitation. Can be used inversion position braking, immobilization, continuous cold compresses, severe cases can also use the brace continuous immobilization, can also relieve the local pain symptoms.