There is no old prescription for knee pain, treatment of knee pain should be based on the condition of scientific treatment. There are many diseases that cause knee pain, such as degenerative lesions, knee injuries, knee infections, etc. Physical therapy, medication and surgery are available. 1. Degenerative lesions: age, trauma and chronic strain can cause degenerative lesions of the knee joint, such as chondromalacia of the patella, osteomalacia, osteoarthritis, etc., which can cause pain, patients should rest more, reduce weight bearing, and choose non-steroidal drugs such as celecoxib, ibuprofen and so on to relieve pain. 2. Knee trauma: including knee ligament injury, meniscus injury, patellar fracture, etc., can cause knee pain, conservative treatment can choose plaster or brace for fixation and braking, serious injuries should be timely surgical treatment. 3. Knee infection: Knee infection can cause knee pain and swelling, bacterial infection is mainly treated with antibiotics, such as cephalosporin, levofloxacin, etc. Tuberculosis infection is mainly treated with anti-tuberculosis. Tuberculosis infection is mainly treated with anti-tuberculosis therapy. Surgery should be considered if the infection cannot be controlled by drugs. There may be other causes of knee pain, and it is recommended that patients go to the hospital as soon as possible to identify the cause of the disease and be treated accordingly. It is not recommended to believe in certain prescriptions that have no scientific basis, so as not to delay the condition.