An intracranial aneurysm is not a tumor, but a small bubble that protrudes from the wall of the artery. This vesicle may rupture at any time and cause bleeding, which is life-threatening. Before surgery 1.Patients’ family members at the bedside try to assist the patient to maintain a quiet state, avoid emotional excitement and overexcitement, and minimize external stimulation to avoid brain hemorrhage. 2, closely observe the vital signs and blood pressure changes, and call the doctor and nurse immediately if the situation. Postoperatively 1.Keep the room quiet, go back to the ward and lie flat with the head to the side to prevent vomiting and accidental aspiration. 2.To prevent cerebrovascular accidents, maintain stable blood pressure. 3.Prevent rebleeding: closely observe consciousness, pupils, heart rate, blood pressure, and respiration. After discharge 1.Patients with hypertension, follow the doctor’s orders on time, according to the dosage, not to stop, change or reduce the dosage privately, avoid sudden high and low blood pressure, so as not to induce bleeding and cerebral infarction occur. 2, should eat some soy products, do not eat high fat, high sugar, high salt diet, eat more fruit. Eat more fish, fish can help relax the arteries or dilute the blood. 3.Keep your bowels open and eat more coarse fiber food. 4.Avoid strenuous exercise and dangerous work for six months. 5, quit smoking and alcohol, smoking and drinking have stimulating effect on aneurysm, red wine advocate a glass a day.