Confirmed diagnosis of patellofemoral arthritis, need to actively cooperate with the doctor, common treatment methods are generally non-drug treatment, drug treatment and surgical treatment, the specific circumstances should follow the doctor’s instructions. 1. Non-pharmacological treatment: mainly for the first time and the symptoms are not serious. (1) Patient education: moderate exercise, avoid unreasonable exercise, reduce weight appropriately. (2) Physical therapy: heat therapy, hydrotherapy, ultrasound, acupuncture, massage, etc. (3) Behavioral support: use canes, crutches, walkers, etc. to reduce joint involvement. (4) Changing the weight-bearing line of force: according to the deformity caused by arthritis, appropriate orthopedic braces should be used. 2. Drug therapy: for those who are not effective in non-pharmacological treatment. (1) Local medication: choose non-steroidal anti-inflammatory drugs such as diclofenac emulsions, creams and patches to relieve mild to moderate pain in the joints. (2) Systemic drugs: oral or injectable form of NSAIDs, such as ibuprofen, etc. The use of drugs should be under the guidance of a doctor. (3) Intra-articular injection of drugs: Sodium hyaluronate is injected to lubricate and protect the joints and relieve pain. 3. Surgical treatment: minimally invasive surgery arthroscopic surgery for free body removal, arthroscopic joint cleaning. Open surgery for osteotomy, joint fusion and arthroplasty, artificial joint replacement and other surgical methods. Patients should actively cooperate with the doctor’s treatment, do not take care of the disease on their own or ignore the disease to avoid delays.