The knee joint is one of the joints in the human body with a large volume and complex structure. Due to the pressure of bearing body weight, coordinating lower limb walking, sports and other wear and tear over the years, coupled with the physiological process of physical decline as the body ages, everyone will experience different degrees of degeneration of the knee joint (disease) after a certain age. Osteoarthritis of the knee (commonly known as osteoarthritis of the knee) is a kind of chronic degenerative osteoarthritic disease with degenerative changes of articular cartilage as the core, involving meniscus, ligaments and tendons in an all-rounded way, at different levels and to different extents, which is commonly seen in daily life. The prevalence of this disease in the middle-aged and elderly population in China through epidemiological research is 8.1%, and there is a rising trend. Osteoarthritis of the knee seriously affects the quality of life of patients and has a certain disability rate, causing a huge burden on the social economy. Osteoarthritis of the knee is most commonly characterized by knee pain and joint function limitation or even joint deformation, which seriously affects patients’ quality of life and athletic ability. Knee pain manifests itself in three different forms: 1. Joint capsular pain. It is manifested as pain when the joint is extended and flexed to its maximum limit. 2, muscular pain. Pain after labor or exercise. 3, venous pain, also known as “rest pain”. It is manifested as pain after standing or sitting for a long time, or after the joints are in a certain position for a long time, or after a night’s sleep, the pain is most obvious in the morning when getting up, and the pain will be reduced after a little bit of activity. In addition, there are also heavy labor, intense exercise, sudden changes in climate will feel the pain aggravated. Limited joint function is also an important symptom of the disease. At first, only a short stiffness or inflexibility is felt, but later it becomes persistent, and it is difficult to go up and down the steps. Various noises, such as creaking and friction, can also occur during activities. With the aggravation of the disease, there will be repeated swelling of the joints, knee joints with inversion or eversion deformity, the joint bone edge increases, walking limp, playing soft legs and other manifestations. Osteoarthritis of the knee is a degeneration of the joints, which is a physiological process that normal people have to go through, and everyone will experience degeneration of the joints after a certain age. It is only the symptoms that appear sooner or later and vary in severity, which is inextricably linked to our usual habits of life, diet and exercise. Just like our family car, if we take good care of it, it will have a long service life and less maintenance. First of all, the most critical treatment for knee osteoarthritis patients in the early stage is to stabilize the joint, so enhancing the strength of the muscle groups around the knee joint is an effective way to protect the joint knee. Because the human body in swimming, the body and the ground is in a parallel state, therefore, its is in the case of non-weight-bearing activities of the muscles and joints, and long-term adherence to swimming can exercise the flexibility of the joints, the conditions of the patient may wish to moderate more swimming. Beijing people say nothing blindly sneaking, walking called “walking”, I think this “walking” is extremely suitable for patients with osteoarthritis of the knee, in the “walking” due to the slow activity, can be very good to avoid the impact of the bone surface of the knee. Because of the slow activity, it can avoid the impact of the knee joint bone surface, and walking slowly is good for keeping a good mood, and plays a good preventive effect on knee osteoarthritis. Due to the knee osteoarthritis triggers except injuries, wind and cold, waist disease waves, but also with the human body year-round fatigue and weight pressure is closely related. A study found that abdominal obesity will increase the burden on the knee joints, this is because such people due to abdominal muscle weakness, the abdomen forward expansion, the body’s center of gravity forward, and in order to adapt to this change, lumbar vertebrae anterior protrusion increased, the muscles of the lower back are overly pulled, the knee joints surface of the burden, making the joints accelerated wear and tear, aging, caused by arthritis. Under normal circumstances, articular cartilage covers the bone surface like a cushion, which can cushion the pressure of vibration during joint movement, reduce the friction of movement, and allow the joints to move freely. However, when the joints are overburdened or excessively worn, the cartilage surface will be damaged. In addition, obese patients have abnormal hormone levels in their bodies, and abnormal hormone metabolism can also lead to cartilage metabolic dysfunction, inducing osteoarthritis. Some studies have reported that when the weight in eighty kilograms, both knee joints have to bear the weight of sixty kilograms, accounting for more than eighty percent of the total weight of the human body, the incidence of osteoarthritis of the knee in 10:1 or so, overloaded body weight is easy to lead to the knee joint ligaments, tendons, fascia, and other soft tissues, such as the formation of damage to the bony acanthosis, so that the knee joint cavity to produce aseptic inflammation, localized congestion and stasis and swelling and pain. So develop good dietary and living habits, appropriate weight control, can be very good for the knee joints to reduce the burden. Studies have shown that the weight of the knee is almost zero when lying down, 1 to 2 times the weight when standing up and walking flat, 3 to 4 times when going up and downhill or up and down stairs, 4 times when running, and 8 times when squatting and kneeling. Knee osteoarthritis patients who have already experienced knee pain should avoid or reduce such strenuous or prolonged exercise as climbing stairs, hiking, playing badminton, jumping rope, riding a bicycle, playing tai chi, running a marathon and so on. Wear fewer high-heeled and hard-soled shoes, and try to wear sports shoes with air cushions. Patients should avoid deep squatting when doing household chores, and it is better to sit on a small stool, not more than 20 minutes. Climb stairs less. Must climb the stairs, the upper body should be forward, down low, do not straighten too much, which can reduce the pressure on the knee joints, there is a certain protective effect. Humid environment, prolonged exposure to cold can aggravate knee pain. Pay attention to local warmth of the joints, the patient can be on their own every day moxa mild moxibustion knee eye, calf’s nose, foot Sanli, Yanglingquan and other points, the conditions can go to the Chinese medicine hospital acupuncture department by a specialist doctor to give the traditional acupuncture conditioning, for the protection of the knee joints is also a good way to good.