The vast majority of chronic low back pain stems from chronic degenerative changes in the small joints of the lumbar spine, lumbar intervertebral discs and muscles of the low back, commonly referred to as aging. Therefore, protection of these structures in the lumbar region is a major component of low back pain prevention. Overall, aging of the body and tissues is irreversible, but prevention and rehabilitation exercises can be used to ease the aging process and prevent the appearance of symptoms, or promote recovery after symptoms appear. Li Jianyu, Department of Functional Neurosurgery, Xuanwu Hospital, Capital Medical University Most low back and leg pain is a chronic disease, and prevention and rehabilitation of chronic diseases need to be consistent and gradual, with attention from daily drops. The prerequisite for the prevention of low back pain is to make the public aware of chronic low back pain, and to widely publicize the health care knowledge of chronic low back pain. Many patients do not know enough about low back pain, and there are many misconceptions that lead to the aggravation of the disease, so these misconceptions must be corrected. Some patients with low back and leg pain may not cure themselves, so they think that low back and leg pain is not a disease, but in fact, low back and leg pain caused by lumbar disc herniation is not only a disease, but also must be given great attention. Because this disease can not only cause back and leg pain, but also lower limbs numbness, cold, weakness, and even paralysis and urinary and bowel disorders, seriously affecting the quality of life. In any case, the correct posture can save time and effort, reduce the wear and tear of human bones and joints, muscles and ligaments, and can avoid various injuries caused by poor posture. In work, study and life should be prevented from overexertion, especially the lumbar overload use will certainly cause damage to the lumbar muscles, ligaments and joints and other structures, resulting in back pain, leg pain. Specifically, the prevention of low back pain involves several aspects, including: life, work, exercise, rest, diet, and environment. This article mainly explains the prevention methods in life and work. I. Prevention in life The situation of using the waist for a long time in life is usually seen in housework, driving, taking care of children, lifting heavy objects and so on. The posture of the waist should be changed, and more lumbar activities should be done to prevent gradual occurrence of strain injury. Adhere to the health care exercise of the waist, often carry out activities in all directions of the lumbar spine. In life, you need to pay attention to the correct use of the waist. When carrying heavy objects, you should move the object you are carrying closer to your body and keep the knee joint in a mildly flexed position, which can reduce the load on the waist. The forward bending action should be strictly controlled, such as bending over to lift heavy objects, it is best to use hip flexion, knee flexion squatting way, try to use the strength of the arms and legs to reduce the pressure on the back of the lumbar disc, reduce the waist force, do not overexert. Measure your strength, avoid lifting too heavy objects, take items to avoid improper posture. Choose the right furniture height, can significantly reduce the proportion of bending action, help the correct standing and sitting posture. Sitting on the sofa to watch TV or long-distance driving, available lumbar pillows, and often change the backrest tilt. At the end of the article there is a group of life for the waist has an impact on the posture guidance, from the network, for your reference. Second, the prevention of work in the work of the combination of work and rest, pay attention to standing, sitting, walking and labor posture, correction of poor posture, should not sit for a long time, and avoid participating in the need to frequently twist the waist labor. The correct posture should be “standing like a pine, sitting like a bell”. The spine is not correct, which will cause uneven force on the intervertebral disc, is the hidden root cause of disc protrusion. Usually pay attention to the use of handles, canes to reduce the load on the joints. Long-term ambulatory workers need to pay attention to the height of the table, chair, and regularly change the posture. Take turns to put one foot on the small stool in front of you at work, so that the hip and knee joints are lightly flexed, and the knee joint is higher than the hip level, and the body is slightly leaning forward, while adjusting the angle of the computer monitor to ensure that it is directly in front of the line of sight. Sit with a small pillow or cushion on the back of the lower back, which can provide support to the back and reduce excessive pressure on the muscles. Appropriate in-situ activities or low back activities can relieve low back muscle fatigue. Workplace exercises have an important role in the prevention of occupational acute and chronic injuries. For people who work at a desk, stretching the back can prevent and reduce back pain. Insist on standing up every half hour at work straight back, and place your hands on the back waist, lean back, stretching should be slow and smooth movement. Scientific training for athletes, theater and acrobats; regular interval exercises for assembly line workers; long-term fixed posture workers, regular changes in posture, etc. all help to disperse stress and improve blood circulation to reduce local cumulative injury. The physiological convexity of the waist deepens when standing, increasing the pressure on the lumbar joints and intervertebral discs, which can cause back pain over time. If the knee joints on both sides can be kept in a lightly flexed position during standing, the degree of lumbar lordosis can be reduced and the occurrence of lumbago can be reduced. Wearing high heels will increase the pelvic tilt and abdominal convexity to maintain body balance, which will increase the strain on the lower back. When you are young, your muscles can play a part in compensating for the protective effect, but after middle age, the muscle strength will decrease and increase the burden on the lumbar joints and cause back pain. Therefore, unnecessary occasions try not to wear high heels.