Low back pain is a condition with pain on one or both sides of the lower back as the main symptom, a symptom, not an independent disease. The causes of low back pain are complex. When there is persistent and unexplained low back pain, you should go to the hospital as soon as possible to confirm the diagnosis and avoid the development of certain serious diseases. Common causes of low back pain are: i. trauma, acute lumbar sprain, lumbar strain, lumbar disc protrusion, lumbar fracture, dislocation, etc. Second, rheumatism, rheumatism and rheumatoid can cause low back pain, the condition changes with the weather and season, often combined with other joint pain. Third, tuberculosis. Fourth, poor posture, long-term bending labor and work, so that the lumbar muscles are often in a state of excessive tension, lumbar muscle strain and lumbago occurs. Fifth, congenital variation of the lumbar spine, occult spina bifida, migrating vertebrae, spondylolisthesis and other disorders. VI. Degenerative changes in old age, lumbar spine osteophytes or osteoporosis. Seven, metabolic diseases. VIII. Tumors, primary tumors or metastases of the spine. In short, lumbar pain should be treated only after detailed examination and clear diagnosis.