Back pain after waking up can be due to the following reasons: first, back fasciitis, patients with back fasciitis can have back pain after waking up in the morning, or after waking up, which can be accompanied by morning stiffness, which can improve after a while of activity, which should be diagnosed by early examination and examination to exclude other diseases. Second, ankylosing spondylitis, ankylosing spondylitis patients can have back pain after waking up in the morning or after sleeping, can be accompanied by sacroiliac joint and lumbar stiffness, which can involve the entire spine, it is necessary to examine the sacroiliac joint, lumbar spine x-ray and blood tests for diagnosis and early treatment. Third, rheumatoid spondylitis, rheumatoid involvement of the spine can have back pain after waking up, can be accompanied by stiffness, then early examination of the spine x-ray, sacroiliac joint x-ray and blood tests to diagnose and treat.