Pain below the kneecap may be caused by trauma, synovitis, patellofemoral arthritis and other diseases, and you need to choose the appropriate treatment for the cause of the disease, such as general treatment, medication, physical therapy, surgery and so on. 1. Trauma: If there is a history of trauma, resulting in damage to the soft tissues below the kneecap, it will cause pain. Patients should rest more, avoid strenuous exercise, and work with hot and cold compresses to promote recovery. If the pain is severe, you can take ibuprofen, celecoxib and other painkillers as prescribed by the doctor. 2. Synovitis: If it is synovitis, it can also cause pain below the kneecap. Patients can use topical diclofenac ethylenediamine emulsion, which can relieve pain. If it is acute purulent synovitis, it should be treated with antibiotics such as gentamicin and nafcillin as prescribed by the doctor. During the period with ultra-short wave, spectrum and other physical therapy, to promote recovery. 3. Patellofemoral arthritis: patellofemoral arthritis also causes pain below the kneecap, after diagnosis, you can follow the doctor’s instructions to take Vitamin Bone, chondroitin sulfate and other drugs to slow down cartilage degeneration. During the period can be oral diclofenac sodium, celecoxib and other non-steroidal anti-inflammatory drugs, to play the effect of pain relief. If conservative treatment is not good, surgical treatment, such as patellofemoral joint cleaning, can be taken. There are more causes of pain below the kneecap, so patients are advised to consult a doctor for examination and cooperate with the doctor for standardized treatment.