introduction Cerebral vascular diseases(CVDs)are series of diseases with high mortality which have loaded a heavy burden to 1869 the society Classification: Hemorrhagic and 源自1869年的医疗仁道实践 Occlusive Treatment: medicine and surgery With the development of basic science microneurosurgery and endovascular techniques, more and more CVDs can be treated by means of surgery• Cerebral vascular diseases (CVDs) are series of diseases with high mortality, which have loaded a heavy burden to the society. • Classification ： Hemorrhagic and Occlusive • Treatment：medicine and surgery • With the development of basic science, microneurosurgery and endovascular techniques, more and more CVDs can be treated by means of surgery. introduction