If a patient has dizziness after a head shake, it should be considered to be caused by a bad cervical spine. If there is a problem of cervical spine reversion, vertebral instability or cervical disc herniation or cervical spinal stenosis, when the head shakes, it may lead to compression of the carotid artery or vertebral artery, causing insufficient blood supply to the brain, and the patient will experience episodes of dizziness, which may be accompanied by panic, sweating, nausea and other symptoms. In addition to the symptoms of head shaking and dizziness, there may also be headache, numbness of the limbs, abnormal sensation, etc. It is recommended to consult an orthopedic surgeon for examination and treatment, and if necessary, physical therapy such as acupuncture, head massage or traction can be given.