1. The diagnosis is clear. Move the knee joint as much as the patient can tolerate, squatting and rising activities, 3 times a day for 10 minutes each time. You can do medical gymnastics, aerobics, boxing, etc. The symptoms are reduced by exercise to avoid joint stiffness, which can better maintain the range of motion of the joint. 2.Physical therapy, wax therapy, hot compress, massage, acupuncture, etc. have certain effect. Local treatment can also be done with safflower oil rub, Fotarine emulsion, etc. If the pain is obvious, you can also do closed treatment, but you must go to the hospital for treatment to avoid causing infection. 3, the pain is obvious, you can take ibuprofen, aminomycin and other drugs, anti-inflammatory and pain relief. But do not take hormones, the amount of medication should be taken according to the doctor’s requirements. 4. If the symptoms are severe and affect the function of the joint, surgery may be considered to do an artificial knee replacement. However, the surgery should be done with special caution, more consultation, in line with the patient’s symptoms, and the doctor’s decision whether to operate.