The pain can be caused by the following causes: first, lumbar strain and lumbar dorsal myofasciitis, these two diseases are often caused by cold and strain in the lumbar region, often in the sedentary, bending and holding objects pain is more obvious, in the morning when you wake up can have symptoms of lumbar pain, the pain can be improved after a while of activity, then to early examination and examination, to exclude other diseases to diagnose. Second, rheumatoid diseases, when rheumatoid involvement of the spine can have morning lumbar pain, can be accompanied by morning stiffness, this time to early blood tests and examination of the spine X-ray, CT to early diagnosis and treatment. Third, ankylosing spondylitis, ankylosing spondylitis patients can have morning lumbar pain, low back stiffness, pain in the sacroiliac joints, early examination, early blood tests and examination of the sacroiliac joints, lumbar spine X-ray to diagnose and treat.