Capillary cerebral infarction, generally known as lacunar infarction, has a good prognosis and most of them can be cured with low mortality and disability rates, but the patient is prone to recurrent attacks. It occurs mainly in middle-aged and elderly people, and most patients have a long history of hypertension. The onset is usually acute or gradual, and most patients do not have headaches, have impaired consciousness, and mainly present with signs and symptoms of focal neurological deficits. Patients may present with simple motor mild hemiparesis or simple sensory deficits, such as unilateral limb or hemiplegic sensory numbness and pain. Some patients may also present with ataxic mild hemiparesis, which is mainly hemiparesis with ataxia of the paralyzed limb, with most patients having more lower limbs than upper limbs, and some patients may also present with simple dysarthria.