Cervical and lumbar compression of nerves can be done by CT or MRI, and the doctor will choose according to the patient’s specific situation. CT scan has certain advantages for the examination of complex structures, such as the spine, which can indirectly indicate the nerve compression, and can also indicate whether the cervical disc is herniated, whether the cervical canal is narrowed, whether the ligamentum flavum is sclerotic, whether the spinal cord is compressed, etc. MRI is better than CT for the examination of structures and lesions of the spine, which can directly indicate the compression of nerves. MRI is better than CT for the examination of spinal structure and lesions, and can directly show and better display soft tissues such as intervertebral discs, and indirectly indicate nerve root compression. Cervical and lumbar compression of nerves can be examined by CT or MRI, each of which has its own advantages and characteristics, and the doctor needs to consider and choose according to the condition. If you suspect cervical and lumbar spine nerve compression, it is recommended to consult a doctor in time, choose the appropriate means of examination with the help of the doctor and clarify the cause of the disease, and carry out targeted treatment or therapy.