Headache, neck pain and desire to vomit are caused by the following factors: i. The most common symptoms are neurological diseases, often due to cerebrovascular diseases, such as cerebral infarction, stroke, cerebrovascular accident, cerebral infarction, cerebral embolism or acute cerebral hemorrhage, all of which have headache and neck pain accompanied by desire to vomit. Second, a variety of encephalitis, cranial nerve infection, commonly viral encephalitis, septic encephalitis, tuberculous encephalitis, cerebrospinal meningitis and other cases, all have symptoms of strong neck irritation, meningeal irritation, accompanied by neck pain, want to vomit. Third, there is another common disease, such as the neurogenic type of cervical spondylosis and the cerebrovascular type of cervical spondylosis symptoms, which can compress the vertebrobasilar artery among them, resulting in insufficient blood supply to the vertebrobasilar artery, when headache and neck pain, accompanied by nausea and vomiting.