Headache in a car is mainly seen in vestibular migraine, which may also be caused by cerebral hypoxia, anemia, hypertension and neurosis. 1. Vestibular migraine: Patients with a history of migraine will have aura of nausea, vomiting, photophobia, acoustophobia, followed by paroxysmal vertigo. It often occurs when riding in a car. If shaking will make the vestibule sensitive, it will easily cause lymphatic fluid shock in the inner ear, resulting in vestibular dysfunction, which can cause vestibular migraine after nerve conduction; 2. Brain hypoxia: When oxygen supply cannot meet the metabolic needs of brain tissue, brain dysfunction of different degrees will occur. If the cerebral blood vessels contract and pull the nerves, headache symptoms will occur. At the same time, prolonged hypoxia will damage brain nerve cells leading to edema, causing an increase in intracranial pressure, pulling the meningeal nerve, headache, with nausea, vomiting and other conditions; 3, anemia: anemic patients will have headache symptoms when riding in a car due to a decrease in the oxygen-carrying capacity of the blood and insufficient oxygen supply to the brain; 4, hypertension: riding in a car will lead to increased blood pressure due to the bumpy road, and when the blood pressure is high, there may be cerebral vascular spasm Symptoms, can lead to brain tissue ischemia, the occurrence of obvious headache, accompanied by dizziness, chest tightness, shortness of breath and other symptoms, need to take antihypertensive drugs in a timely manner to treat; 5, neurosis: due to nervousness and exertion when riding in a car, can cause a decrease in mental activity, dizziness, headache, anxiety, depression, fear and other symptoms, need to properly relax the mood, can be treated with oral anti-anxiety drugs.