Surgical clamping or intervention should be performed as early as possible to reduce the rate of rebleeding; 2. Complete occlusion of the aneurysm should be achieved as much as possible; 3. A multidisciplinary team consisting of interventionalists and cerebrovascular surgeons should decide the treatment plan according to the patient and the aneurysm; 4. 5. For patients who have undergone interventional or clamping treatment, angiographic follow-up (individualized) should be performed without obvious contraindications, especially for patients with residual or growing aneurysms who need to be considered for retreatment; 6. lethality and disability, and is used only in the absence of relatively low-risk options.