Nausea and vomiting of headache are mainly seen in the following reasons:1. Intracranial infection, patients will have headache with frequent nausea and vomiting, as well as fever, epilepsy and other symptoms.2. Migraine or neurogenic headache patients may also have headache with nausea and vomiting.3. For example, systemic diseases, patients with high fever may also have headache, nausea, and vomiting.4. Traumatic brain injury, cerebral Contusion, patients may have headache, nausea, vomiting and other symptoms of intracranial hypertension.5, patients with brain tumors, brain hemorrhage, in the cause of intracranial hypertension will have a headache, nausea, vomiting, and in severe cases, patients will also have coma. So headache want to vomit according to the examination, to determine the specific cause of the disease to carry out the corresponding symptomatic treatment.