The pain on the outside of the foot may be caused by chronic strain injury, rheumatoid arthritis, gout and so on, which can be treated with physical therapy such as massage and medication such as celecoxib. 1. Physical therapy: you can rest properly, local massage and hot compresses, relax the muscles while strengthening local blood circulation and metabolism, reduce local swelling and pain, accelerate the metabolism of inflammatory substances. Trauma patients should be timely braking, may cause metatarsal fractures. 2.Drug treatment (1) Non-steroidal anti-inflammatory drugs: such as celecoxib, ibuprofen, diclofenac sodium, meloxicam, etc., which can play an anti-inflammatory and analgesic effect, and alleviate the symptoms of pain on the lateral side of the foot. (2) Anti-rheumatic drugs: rheumatoid arthritis caused by lateral foot pain, can choose methotrexate, leflunomide, salazosulfapyridine, hydroxychloroquine and other drugs for anti-rheumatic treatment. (3) Uric acid-lowering drugs: pain caused by gout can be treated with drugs that regulate uric acid, such as allopurinol, febuxostat, etc., which can inhibit the production of uric acid; benzbromarone, probenecid, etc., which can promote uric acid excretion. It is recommended to consult a doctor in order to clarify the cause of the pain on the lateral side of the foot and carry out targeted treatment. In addition, all of the above drugs should be taken under the guidance of a doctor and should not be used without authorization.