Punctate cerebral infarction is not serious, refers to small artery occlusion cerebral infarction, mostly seen in patients with small penetrating arteries in the brain atherosclerosis, occlusion and the formation of small infarction foci, belongs to the punctate cerebral infarction. The main reason for the formation is hypertension, diabetes mellitus, hyperlipidemia caused by atherosclerosis and vitreous degeneration of small arteries in the brain. Patients show relatively mild symptoms clinically, and may have symptoms such as mild unfavorable limb movement or numbness of limb sensation and speech clumsiness. After the formation of multiple punctate cerebral infarcts in patients, they are also prone to symptoms of pseudo medullary paralysis, which can affect the cognitive function of patients and manifest the problem of vascular dementia, so early intervention and treatment are required.