Lumbar muscle strain cannot be detected on CT, it belongs to a clinical symptom. Lumbar muscle strain injury in the image there is no special performance, general CT examination of the lumbar spine can check the lumbar spine of the bone situation, to see whether the curvature of the lumbar spine, lumbar spine sequence is good, the lumbar spine of the vertebral body and vertebral joints whether there is obvious osteophytes, the corresponding vertebral canal whether there is obvious stenosis, but also to see lumbar spine discs, is not there obvious bulging or protrusion, for trauma patients can see For trauma patients, we can see whether there are clear signs of fracture in the lumbar spine. MRI examination of the lumbar spine can clearly show the situation of the nerve roots, show the situation of the lumbar spine muscles is also better than CT, but MRI examination can not diagnose lumbar muscle strain, lumbar muscle strain needs to be based on the patient’s own clinical symptoms of clinical judgment of the clinician.