目的探讨青年脑梗死的危险因素,以达到有效一级预防。方法对52例中青年脑梗死住院患者危险因素进行回顾性分析,并于同期52例老年患者的危险因素进行比较。结果男性多于女性,40～45岁发病率高,病因主要为高血压、动脉硬化。结论高血压、动脉硬化是中青年脑梗死的主要病因,嗜烟酒及不健康的生活方式等因素是脑卒中明显年轻化的主要危险因素。 Objective To explore the risk factors of cerebral infarction in young people in order to achieve effective primary prevention. Methods Retrospective analysis was performed on the risk factors of inpatients with cerebral infarction in 52 cases of middle-aged and young adults. The risk factors of 52 elderly patients were compared in the same period. Results There were more males than females, with a high incidence of 40-45 years old. The main causes were hypertension and arteriosclerosis. Conclusions Hypertension and arteriosclerosis are the main causes of cerebral infarction in middle-aged and young adults. Factors such as addictions and unhealthy lifestyles are the major risk factors of stroke.