Long-term lumbar pain may be caused by the following reasons: 1. prolonged sedentary life in daily life, or prolonged heavy physical labor, resulting in excessive local muscle strain and injury, or incorrect posture when the patient is sedentary, the muscles of the lumbar region are always in a state of tightness, and over time, injury will occur, so there will be frequent lumbar pain. 2. The pain in the lumbar region can be caused by diseases of the lumbar spine, such as lumbar strain, lumbar disc herniation, lumbar spinal stenosis and lumbar spondylolisthesis. 3, it can also be due to small joint disorders of the lumbar spine, as well as ankylosing spondylitis, or due to tumors and nephrotic syndrome, which can trigger pain in the lumbar region.