Treatment plan, first of all, pay attention to prevent cold and keep warm, avoid exertion, pay attention to reduce the weight of both knee joints. Glucosamine sulfate capsule can be taken orally, can relieve pain symptoms, improve joint function, long-term use can also delay the destruction of joint structure. Activate blood circulation and eliminate blood stasis and pain relief Chinese medicine and acupuncture treatment, infrared irradiation. If conservative treatment is ineffective, surgery can also be taken as a treatment option. Arthroscopic treatment, which is placed into the joint cavity through the joint gap and displays the diseased area and tissues magnified 4~6 times on the monitor, uses tiny tools to repair the articular cartilage and clean the joint cavity.