The back pain in the morning can be caused by the following reasons: first, lumbar dorsal myofasciitis, lumbar dorsal myofasciitis can have back pain in the morning, often due to cold and strain. Second, lumbar muscle strain, severe lumbar muscle strain can also have morning lumbar pain, after a while of activity lumbar pain has improved, then early physical examination, early diagnosis, early rest and physical therapy; third, rheumatoid disease, rheumatoid class attack on the spine, can also have morning lumbar pain, can be accompanied by symptoms of morning stiffness. In this case, early blood tests, as well as lumbar spine X-rays, CT examinations to diagnose; fourth, ankylosing spondylitis, ankylosing spondylitis can appear in the morning when the back pain worsens, can be accompanied by morning stiffness, accompanied by pain in the sacroiliac joint, then to take sacroiliac joint X-rays, lumbar spine X-rays and blood tests to diagnose and treat.