Often hear middle-aged and elderly people, especially obese women, v. Knee joint pain, walking stairs when the pain is obvious, squatting difficulties, soft ……. Apply medicinal wine, hot water soak, massage, take medicine, but the effect is not obvious. Why knee pain? Why is the treatment ineffective? How should it be treated? These are the three main questions we face. Let us answer one by one: First, why knee pain? Knee is the body’s joint surface of the largest joints, load-bearing force, a lot of activities; people to middle-aged and old age, due to insufficient blood, liver and kidney loss, coupled with the joint activities of the strain, and gradually lead to the knee joints internal balance imbalance, articular cartilage degeneration, osteomalacia, ligament adhesion, and so on, a series of pathologic changes appear. Thus, the knee pain, squatting difficulties, leg weakness upstairs inconvenience and other symptoms, sometimes the joint will be swollen, X-ray film can be seen in the joint osteophytes. This is because of the knee osteoarthritis. Second, why the treatment effect is not good? Osteoarthritis of the knee joint has a complex etiology and a long course, and is an accumulative injury. Therefore, it is not easy for any kind of medicine or method to work quickly. Conventional treatment methods include: massage, acupuncture, small needle knife, Chinese medicine external wash internal, intra-articular or peripheral drug injection, physical therapy; some serious cases need surgery. So although there are many treatment methods, but due to the complexity of the disease, it is difficult to achieve satisfactory results in the short term. Third, how should be treated? Osteoarthritis of the knee joint, it is appropriate to use a combination of therapies. That is to say, one method is the main, with the use of other auxiliary therapies. The usual treatment options are: 1, small needle knife treatment: mainly with a special needle with a blade into the knee acupuncture points and pain points, correct the balance of internal mechanics of the joints, loosen adhesions and soft tissue tension, can quickly relieve knee pain, increase the range of motion. Needle knife treatment without obvious pain, no damage, patients reflect good pain relief after receiving treatment. 2, adjuvant therapy: there are traditional Chinese medicine strong medicine package fumigation, ironing, ion introduction, massage, intra-articular injection, knee (quadriceps) functional exercise. The course of treatment is 4 to 6 weeks, and those with serious symptoms need to be hospitalized for systematic treatment.