There are several possible causes of lumbar spine pain: first, rheumatoid, when rheumatoid involvement of the spine can appear symptoms of lumbar pain, especially in the morning when there is obvious lumbar pain, can be accompanied by the symptoms of lumbar back stiffness, after a period of activity can be improved, can be accompanied by other small joint involvement and lead to joint swelling, deformity symptoms, this time to carry out relevant blood tests and lumbar spine x-ray, nuclear magnetic examination, for early diagnosis and treatment; second, ankylosing spondylitis, ankylosing spondylitis patients often with the first symptoms of sacroiliac joint pain, can gradually involve the lumbar and thoracic, The second, ankylosing spondylitis, patients with ankylosing spondylitis often have pain in the sacroiliac joint as the first symptom, which can gradually involve the waist, as well as the chest and neck, can appear in the morning when the symptoms of back pain, can be accompanied by morning stiffness, oral anti-inflammatory and analgesic drugs to relieve pain, then the relevant blood tests and spinal X-rays, CT, nuclear magnetic examination, to make an early diagnosis and treatment. The early diagnosis and treatment should be done by blood tests and X-ray, CT and MRI of the spine.