Osteoarthritis of the knee joint is a common and prevalent disease in the middle-aged and elderly, with knee pain and impaired movement as the main symptoms. Generally there will be difficulty in going up and down the stairs, knee swelling, difficulty in squatting, and if the meniscus is damaged there may be popping or interlocking knee joints. The main pathological mechanisms are damage to the cartilage surface of the knee, damage to the ligaments associated with the knee, damage to the patellar surface, and osteophytes in the tibial plateau. All this generally starts with sprain and contusion of the knee joint, cold, etc. During the development of the disease, the intraosseous pressure increases, the blood flow around the knee joint becomes poor, and the bone becomes hyperplastic. The treatment should generally start with improving blood circulation, supplemented by tonifying the kidneys and strengthening the bones to dispel wind and dampness. Chinese herbal medicine is used internally, such as Duluxiaosheng Tang. External Chinese medicine also has a good effect on improving blood circulation, generally using a large pungent, hot, nodule-dispersing and blood-activating products to wash externally. Chinese herbal medicines are used both internally and externally, so that they work quickly. External herbal medicine can be applied locally by fumigation and wet compresses, and the blood circulation can be improved by foot baths with herbal medicine. The knee is the house of tendons, and the liver and kidneys are the mainstay. The lumbar region is also a treatment area and can be treated with topical herbs or physical therapy. In any case, knee pain is a disease of the tendons and bones, so in addition to the overall treatment, local acupuncture and blood pricking therapy can be useful. Generally speaking, the knee joint has more tendons, and the knee joint is in the lower half of the body, which has poor blood flow, and many people even have poor venous reflux problems such as varicose veins. Local pricking and bleeding above and below the knee joint can improve blood flow more quickly. Warm acupuncture or electro-acupuncture also have this effect. Ultra-laser therapy and magnetic heat therapy can be used in conjunction with each other to increase the effectiveness of the treatment. Another obvious symptom of knee pain is quadriceps atrophy, which needs to be accompanied by exercise of the muscles of the lower limbs. Muscles are always in and out of use. If you do not exercise, the muscles will atrophy quickly. The exercise method is generally used in the lying position to flex the hips and knees to collect the abdominal muscles, flexion and extension to stretch the tendons and pedal a bicycle, extend the knees and hook the feet to half lift the legs, walk with the toes up like a positive step, back squatting strong muscle strength and other exercise methods. Daily if the pain is more, you also need a cane to support. When old age comes, many symptoms are accumulated repeatedly and are not treated overnight. If you want to get a good quality of life, one is to pay attention to the early solution of problems when you are young, and the other is not to be afraid of trouble when you are old. Persistence is the only way to win.