Lumbar disc herniation and spinal stenosis are two diseases that affect each other, and the onset of the disease will bring serious health effects. Lumbar spinal stenosis can easily induce lumbar disc herniation, and some patients with lumbar disc herniation may have lumbar spinal stenosis before the disease, which can lead to easy pressure on the spinal cord, and then symptoms of compression, such as double lower extremity pain, numbness. If not treated in time, it may lead to deformation of the lumbar spine due to abnormal stress and develop into lumbar disc herniation. If the lumbar disc herniation is not treated in time, the continuous development of the lumbar spine’s posterior longitudinal ligament will become weaker and weaker, resulting in serious prolapse of the nucleus pulposus, irritation or compression of the nerves, and the protrusion of the protruding material crowding the space in the spinal canal, which will lead to lumbar spinal canal stenosis. Therefore, lumbar disc herniation and spinal stenosis interact with each other, once found should be promptly to the regular hospital consultation, timely treatment.