目的:探讨无症状脑梗死的临床特点以及预防因素。方法:对120例无症状脑梗死进行发病年龄、性别、发病因素、常见部位及类型分析。结论:本组发病高峰年龄为65岁以上,随年龄越大发病率越高,且男性多于女性。以高血压,动脉硬化,糖尿病,高血脂为常见病因。积极预防,减少发病。另外,该组病症必须依赖CT或MRI检查才得以发现。 Objective: To investigate the clinical features and preventive factors of asymptomatic cerebral infarction. Methods: 120 cases of asymptomatic cerebral infarction were analyzed for age, gender, incidence of disease, common sites and types. Conclusion: The peak age of onset in this group is over 65 years old. The incidence increases with age, and there are more males than females. To hypertension, arteriosclerosis, diabetes, hyperlipidemia as a common cause. Active prevention, reduce the incidence. In addition, the group of disorders must rely on CT or MRI examination was discovered.