The etiology of headache in the elderly is very complex, and common causes include hypertension, cerebrovascular disease, and primary headache. In addition, we should be alert to intracranial occupational lesions, temporal arteritis and so on. 1. Hypertension: it is the most important cause of pain in the elderly, which is mainly manifested as vasodilatation headache. Immediate monitoring of blood pressure can be clearly diagnosed, and the symptoms can be improved after taking antihypertensive drugs to control the blood pressure. 2. Cerebrovascular disease: this includes cerebral hemorrhage, subarachnoid hemorrhage, etc., all of which are first manifested by headache. 3. Primary headache: such as tension headache, migraine and so on, induced by poor rest or over-fatigue, in addition, bad mood such as anxiety, nervousness, depression, etc. can also cause headache symptoms. 3. Intracranial space-occupying lesions: this will make the patient appear chronic headache symptoms, some patients may even become progressive aggravation of the trend, improve the head ct or magnetic resonance examination can be clearly diagnosed, and need to be timely treatment and treatment. 4. Temporal arteritis: common in the elderly, in addition to headache, often accompanied by fever, and the superficial temporal artery will be prominent fluctuation, need to consult as soon as possible under the guidance of the doctor systematic treatment. The causes of headache in the elderly are very complex, once the elderly headache symptoms, need to be alert. It is recommended to consult a doctor for differential diagnosis under the guidance of a doctor to clarify the cause of the disease, so as to systematically treat it.