偏头痛型血管性头痛是神经科一种比较常见疾病,以青年时期发病居多,就诊时病程多在数年以上,不仅影响工作和学习,且给患者带来很大痛苦。偏头痛的病因和发病机理尚未明确,而预防和治疗至今还未找到理想的方法,如常用的麦角胺一类药物,部分患者疗效仍差。最近预防偏头痛发作的甲基麦角 Migraine-type vascular headache is a neurological a common disease, mostly in youth onset, the duration of treatment more than a few years, not only affect the work and study, and to patients with great pain. The etiology and pathogenesis of migraine are not yet clear, but prevention and treatment has yet to find an ideal method, such as commonly used ergotamine drugs, some patients still poor response. The recent prevention of migraine attacks of methylcholine