Patients with cerebral aneurysms at the age of 75 should be assessed whether surgery is feasible according to their own health condition and the condition of the aneurysm, and they can consult a medical professional for advice. If the aneurysm has already ruptured, the patient is recommended to undergo surgery because subarachnoid hemorrhage caused by rupture of cerebral aneurysm has a high lethality and disability rate, and there is a risk of secondary rupture if no treatment is carried out. In the case of unruptured cerebral aneurysms, the ability to operate is assessed based on the patient’s age, history of subarachnoid hemorrhage, and the size and location of the aneurysm. For example, if the aneurysm is small or the patient does not have a long life expectancy, non-surgical treatment may be considered. If the aneurysm is large, there is a risk of rupture, and the patient’s desire for surgery is strong, surgery may be indicated. Whether surgery is still recommended for a 75-year-old cerebral artery aneurysm can be determined by consulting a medical professional.