When a subarachnoid hemorrhage occurs, patients can experience varying degrees of headache, usually unbearable, accompanied by nausea and vomiting. Projectile vomiting indicates high intracranial pressure in the patient. Hours after the second subarachnoid hemorrhage, signs of meningeal irritation can appear, generally presenting positively, such as neck stiffness, headache, vomiting, etc. The third issue involves varying degrees of consciousness and mental disorders in patients, and some may even display symptoms of epilepsy. Therefore, with the appearance of the above clinical symptoms, patients should actively seek treatment from a neurologist for further management.