Patellofemoral arthritis is a type of knee osteoarthritis, mostly caused by degenerative changes or osteophytes in the patella, which mainly manifests as localized pain and swelling of the joint, especially when going up and down stairs, the pain will be significantly increased. First of all, we should pay attention to local warmth and reduce the activities of the affected limb to avoid local stimulation; secondly, we can apply local hot compresses or use traditional Chinese medicine for scalding to reduce local inflammatory substances; then for particularly severe pain symptoms, we can take oral non-steroidal anti-inflammatory and analgesic, blood circulation and cartilage nourishing drugs for treatment, such as loxoprofen sodium, blood-strengthening tablets and glucosamine sulfate capsules; finally If the effect of oral medication is not satisfactory, local flurbiprofen cream can be applied at the same time, and joint cavity can also be closed with sodium vitrate injection.