There may be several reasons for lumbar pain after waking up but not after getting up and moving around for a while: first, lumbar muscle strain, lumbar muscle strain is often due to strain, cold and chronic injury to the lumbar muscles, which can occur when waking up with lumbar pain, but after moving around for a while the lumbar pain will reduce and disappear; second, lumbar dorsal myofasciitis, patients with lumbar dorsal myofasciitis can also occur after waking up with lumbar pain, but after getting up and moving around for a while Third, rheumatoid, when rheumatoid involvement of the spine can also appear in the morning when the back pain, and after a short period of activity can be improved, often accompanied by morning stiffness, then the relevant blood tests and spinal x-ray, nuclear magnetic examination for diagnosis and treatment; fourth, ankylosing spondylitis, ankylosing spondylitis patients can also appear in the morning when the back pain, after a short period of activity can be improved In this case, blood tests and spinal x-rays and MRI are required for diagnosis and treatment.