Cerebral aneurysm surgery without stenting patients are recommended to use drugs to prevent vasospasm, such as nimodipine; sedative and analgesic drugs; cranial pressure-lowering drugs such as mannitol; and nutritive nerve and other drugs. It is recommended that patients should take drugs under the guidance of a doctor to avoid self-medication. 1. Drugs to prevent vasospasm: such as nimodipine, belonging to the calcium ion antagonist, the main effect is to dilate the cerebral blood vessels, which is conducive to alleviate the condition. 2. Reduce cranial pressure drugs: such as mannitol, generally can play a role in reducing intracranial pressure, can effectively relieve cerebral edema. During the period of taking mannitol, patients should pay attention to the changes of blood pressure and electrolytes, and change the dosage in time. If the patient’s renal function is poor, it is recommended to change to glyceryl fructose. 3. Sedative and analgesic drugs: patients with postoperative symptoms of agitation, it is recommended to use sedative drugs such as phenobarbital for treatment. Patients with severe pain can also use ibuprofen for pain relief, which is recommended to be taken after meals to avoid stimulation of the stomach and intestines. 4. Nutritional nerve drugs: such as methylcobalamin. Cerebral aneurysm may compress the nerves and cause neurological disorders, after surgery, methylcobalamin and other drugs can also be used to alleviate the symptoms. Cerebral aneurysm surgery patients should pay attention to the review, pay attention to rest during the period, exercise moderately after the condition is stabilized, eat a light diet, consume more food containing high fiber, and pay attention to adjusting the mentality, and recover as soon as possible.