Back pain can be caused by the following causes: first, rheumatoid, rheumatoid can involve the spine, resulting in pain in the back spine, especially in the morning when the back pain is very obvious, after a period of activity can be improved, this is the symptom of morning stiffness, can be accompanied by other joint pain discomfort, then to check the spine X-ray, CT and MRI, but also laboratory blood tests to diagnose This is a symptom of morning stiffness. Second, ankylosing spondylitis, ankylosing spondylitis can often involve the entire spine, patients can have morning pain in the spine, accompanied by morning stiffness and pain in the sacroiliac joints, then we should check the spine X-ray, CT, MRI, sacroiliac joint X-rays and blood tests for early diagnosis and early treatment in the rheumatology department.