Magnetic resonance cervical spine plain scan, mainly pay attention to two aspects: 1, if the patient has a history of trauma, such as neck pain caused by car accidents, high falls, etc., need to be observed by magnetic resonance to see if there is damage to the bones of the neck, that is, whether there are fractures in the 1st-7th cervical vertebrae. If there is a fracture to be targeted, where the fracture includes cervical transverse process fracture, cervical posterior spine fracture, and vertebral body itself fracture.2. If there is no history of trauma, the flat scan is mainly to see the cervical disc herniation. If the herniated disc compresses the dural sac and cervical nerve roots, there may be numbness, restricted movement, and weakness of both upper limbs. In addition, cervical compression may cause diaphoresis.