There are many reasons for lumbar spine pain, such as lumbar disc herniation, lumbar spine tuberculosis, spine tumor, ankylosing spondylitis, trauma, osteoporosis, degenerative changes and so on. 1. Lumbar disc herniation: Lumbar disc herniation can lead to nucleus pulposus prolapse, which presses and stimulates the surrounding nerve roots, thus causing lumbar spine pain. 2. Lumbar spine tuberculosis: lumbar spine tuberculosis can also lead to the phenomenon of lumbar spine pain, the main symptom of this disease is lumbar pain, and in severe cases, lumbar osteoporosis may be formed. 3. Spinal tumor: spinal tumor will destroy the surrounding bone structure, so it will lead to lumbar spine pain, accompanied by symptoms such as general weakness, loss of muscle strength, and emaciation. 4. Ankylosing spondylitis: Ankylosing spondylitis can cause pain in the lumbar spine due to prolonged stimulation of bone trabeculae, ligaments and other granulation tissues proliferation by inflammation, which will lead to pain in the lumbar spine, accompanied by symptoms such as fatigue and joint dysfunction. 5. Trauma: Lumbar spine pain may also be caused by external impact injuries, stick injuries and other factors, accompanied by obvious activity limitations. 6. Osteoporosis: Lumbar spine pain may also be due to ageing, the body’s gradual loss of calcium, resulting in osteoporosis, resulting in lumbar spine pain. 7. Degenerative changes: with age, the patient lumbar joints, spine and other locations appear degenerative changes, can also lead to lumbar spine pain. Causes of lumbar spinal pain are very many, the emergence of obvious symptoms, it is recommended that patients go to the hospital in a timely manner to improve the examination, a clear diagnosis and then give standardized treatment.