Lumbar disc herniation is a very common disease of lower back pain and bilateral lower extremity pain. With the change of modern lifestyle, a considerable number of computer users and office workers are highly susceptible to this disease. And once a lumbar disc herniation is developed, it is very troublesome to treat and very easy to recur. Therefore, it is very important to prevent the disc before it is herniated. Lumbar disc herniation is a completely preventable disease. How to prevent it? 1, pay attention to the precursors of the occurrence of lumbar disc herniation lumbar pain, manifested as pain diffusely distributed in the lower back. The pain is aggravated by prolonged sitting and standing and relieved by lying down. The pain is often easiest in the morning. Patients may not have lower extremity pain. Such a condition is often a precursor to lumbar disc herniation and must be beware. You should avoid bad habits such as prolonged standing and sitting, lie down more often, and avoid bending over to carry heavy objects. In this case, it is recommended to go to the hospital to check the lumbar MRI to clarify whether there is degeneration of the lumbar disc. Note that MRI should be examined at this time, not CT and lumbar spine X-ray. Because only MRI can respond sensitively to the degeneration of lumbar discs. 2, usually in life, must also pay attention to (1) avoid prolonged standing, sedentary. General sitting work to an hour or less is appropriate (you can set a timed alarm clock). Sitting position is, be sure to sit straight back. Sit for a period of time, you can get up and move your back. (2) Sleeping bed should be moderately hard and soft, avoid sleeping in a bed too hard or too soft, so that the waist muscle to get sufficient rest. (3) Avoid getting cold in the lumbar region. (4) correct use of the waist, lifting heavy objects should first squat. (5) Insist on lumbar back muscle exercise. Strengthen the lumbar stability. Brisk walking is a good exercise for lumbar back stability, note that it must be a brisk walk, slow walk, the effect is not good. In addition, swimming, is the best exercise for the lumbar disc.