Whether small artery occlusive infarction is serious or not needs to be decided according to the location of the onset of the disease, the physical condition of the patient, and the combination of diseases, etc. It is recommended to consult a doctor in time. If the small artery occlusive infarction occurs in the area of brain tissue that has no clear function and is not important, the patient’s life is generally not endangered. However, if it occurs in the brainstem, the internal capsule hind limbs, and other important locations, it will cause swallowing disorders, slurred speech, and paralysis of one side of the limbs and other serious symptoms. In addition, if small artery occlusive infarction occurs in the elderly, and the elderly also combined with coronary heart disease and diabetes mellitus and other chronic diseases, even if it is serious. Small artery occlusive infarction regardless of whether the condition is serious or not need to go to the hospital immediately for treatment, it is recommended that patients do not smoke and drink during the period of treatment, to ensure sufficient sleep time, the diet should be light, try not to intake spicy and stimulating food, so as not to aggravate the condition.