Patients with lumbar pain need to undergo relevant examinations according to the causes of lumbar pain, as follows: First, lumbar spine diseases: usually need to check the lumbar spine positive and lateral x-ray, lumbar spine stress position of the lateral x-ray, lumbar spine CT scan or lumbar spine MRI, different examinations can find different lesions, such as x-ray will find changes in the physiological curvature of the lumbar spine, while CT, MRI will find lumbar disc herniation, spinal stenosis etc. Second, trauma: it is necessary to check the lumbar spine frontal and lateral radiographs to confirm whether there is a lumbar fracture. Thirdly, urinary stones: it is necessary to check the urinary ultrasound to confirm the presence of stones. Through the analysis of the above aspects, it is clear what tests are needed for patients with lumbar pain.