1. Absolute bed rest for at least 4-6 weeks, avoid agitation, excessive coughing and defecation to prevent rebleeding. 2.Take sedative and analgesic (Valium 5mg 3 times/d, cranial pain 60mg 3 times/d). Reduce intracranial pressure with 20% mannitol, tachyphylaxis, etc. 3.High-dose hemostatic agent 6-Amino acid 8-12g, 1 time / d, for 7-10 days and then gradually reduce the amount, the course of treatment for 3 weeks (caution for those with renal impairment). 4, prevention of cerebral vasospasm calcium ion antagonist Nimoton injection 100mg microinjector slowly push, or Nimodipine tablets 20mg 3 times / d, oral 21 days. 5.Lumbar puncture to release hemorrhagic cerebrospinal fluid, 15-20ml/time, 1 time/3-4d. 6.Selective surgery according to cerebral angiography.