目的 :探讨中青年人脑梗死的病因。方法 :回顾性总结了 61例中青年人脑梗死的病因。结果 :发现93%的患者能查到病因 ,且动脉粥样硬化是中青年人脑梗死最常见的病因之一 ( 2 4 % ) ,非动脉硬化性血管病亦是中青年人脑梗死的常见原因 ,少见的原因有动静脉畸形、心源性疾病 ,凝血障碍、结缔组织疾病、外伤、手术后 ,腹泻、乙型肝炎后等。结论 :中青年人脑梗死的病因复杂 ,DSA、MRA等相关的检查实属必要 ,大多数病人 ,通过详细询问病史及相关检查可找出病因 ,必要时可选择立体定向活检 Objective: To explore the etiology of cerebral infarction in young people. Methods: The etiology of cerebral infarction in 61 young adults was retrospectively reviewed. RESULTS: 93% of the patients were found to have the etiology, and atherosclerosis was one of the most common causes of cerebral infarction in middle-aged and young people (24%). Non-arteriosclerotic vascular disease was also common in middle-aged and young adults with cerebral infarction Reasons for the rare causes of arteriovenous malformations, cardiogenic diseases, coagulopathy, connective tissue disease, trauma, surgery, diarrhea, hepatitis B and so on. Conclusions: The etiology of cerebral infarction is complicated in middle-aged and young people. DSA, MRA and other related tests are necessary. Most patients can find out the etiology through detailed history and relevant examination, and can choose stereotactic biopsy if necessary