脑梗塞是脑血管病中发病率高、致残率高的常见病、多发病。目前基层医院主要采用扩容、减轻脑水肿、改善微循环等疗法 ,效果不甚理想。动脉局部给药法 ,血管再通率高、梗塞面积缩小及临床预后好 ,但要求条件高 ,难于在基层医院开展。而溶栓剂尿激酶因价格昂贵限制了大部分患者 Cerebral infarction is a high incidence of cerebrovascular disease, a high rate of disability common, frequently-occurring disease. At present, primary-level hospitals mainly use dilatation to reduce brain edema and improve microcirculation and other therapies, with less than satisfactory results. Local arterial administration, high rate of recanalization, narrowing infarct size and good clinical prognosis, but the requirements are high, difficult to carry out in primary hospitals. The thrombolytic agent urokinase due to expensive restrictions most patients