Background:It is Perioperative cerebral vasospasm of aneurismal subarachnoid hemorrhage that restricts the curative effect of long-time.The current treatment was unable to reverse CVS about 30-50% of perioperative aSAH patients which caused suffered serious outcome.Purpose:to study the research methods of perioperative CVS of aneurismal SAH treated by Traditional Chinese Medicine(TCM),and find a new way to treat the disease.Method:review the literature of both modern medical science and TCM,based on the per...