Cerebral infarcts in the right cerebral hemisphere, including cortical and subcortical infarcts. The main etiologies include atherosclerosis, arterial entrapment, cardiac disease, abnormal coagulation mechanisms, vasculitis, myotonic dystrophy, etc. The diseased vessels may involve the internal carotid artery system and vertebrobasilar artery system, and patients may have symptoms such as left-sided hemiparesis, left-sided hemianesthesia, left-sided central facial and tongue palsy, left-sided ataxia, left-sided hemianopia, aphasia, dysarthria, hoarseness, choking and coughing, etc. If the infarct is large, it may also cause impaired consciousness and cerebral edema. The treatment includes oxygenation, intravenous thrombolysis, arterial thrombolysis, antiplatelet, anticoagulation, bridging therapy, neurocytoprotection and rehabilitation symptomatic treatment. In addition, during the recovery period of cerebral infarction, health education of patients should be strengthened and various risk factors of stroke should be actively controlled.