Lacunar infarct has some characteristics: risk factor with highest rate is hypertension (64.5%), dyslipidemia (triglyceride (53.2%) and cholesterol (22.6%)), smoking (25.8%), diabetes (24.2%), mild symptom (71%), basal ganglion lesion (93.5%), number of lacunar infarcts (>3: 51.6%), dementia complication of patients who got the high number of lacunar infarcts (41.9%) Conclusion: Lacunar infarct patients have many characteristics such as risk factor, symptom, lesion area, number of lacunar infarcts and dementia.