Headaches in the elderly can have many causes, depending on whether they are acute or chronic. If the headache appears suddenly, and there is also high blood pressure, diabetes, accompanied by one side of the limb weakness, nausea, vomiting, the most common cause to consider is cerebrovascular disease, it is recommended to go to the hospital immediately for a CT or cranial magnetic resonance examination to clarify. If the headache is chronic, there are headaches for a long time, there may be more than ten years, decades of headache history, this kind of headache may be the most common consideration of neurological headache, migraine, vascular headache, these may be the cause of headache in the elderly.