Whether multifocal lacunar cerebral infarction is serious or not should be judged with the actual situation of the patient, if the multifocal lacunar cerebral infarction is not in the important area and does not have obvious symptoms, it is generally not serious at this time. If the infarction occurs in an important area, and the clinical symptoms are obvious, and even have further development trend, then it is more serious, and needs timely intervention and treatment. Multifocal lacunar cerebral infarction is a type of small artery occlusive cerebral infarction, which mostly occurs in the basal ganglia region, when the vessel wall is occluded after lesions, ischemic infarction will leave an irregular tiny lacuna, and the incidence of more parts of the brain, known as multifocal lacunar cerebral infarction, which is mostly found in the middle-aged and elderly people, or patients suffering from hypertension, diabetes mellitus, and other basic diseases. The prognosis of multifocal lacunar cerebral infarction is relatively good, with low mortality and disability rates, but it is easy to recur and requires attention to prevention, balanced nutrition, low-fat and low-salt diet, moderate exercise, and control of blood pressure, blood lipids and blood glucose, and timely consultation and treatment is recommended in the event of any uncomfortable symptoms.