Brain infarction causes mental abnormalities, and if the symptoms are severe, antipsychotics can be given. Commonly used drugs mainly include olanzapine and mirtazapine, while giving treatment for cerebral infarction, for patients with cerebral infarction. If ultra-early suitable for thrombolysis, thrombolytic therapy is given as early as possible, and for patients who are not suitable for thrombolysis, anti-platelet aggregation, neurotrophic as well as improving blood circulation can be given. The commonly used neurotrophic drugs are mainly olacitentan, piracetam, vincristine, edaravone and cytarabine. The main drugs used to improve blood circulation in clinical practice are vincristine, sparing blood, shuxin, thrombosis, etc. At the same time, anticoagulation therapy can be given when necessary. Patients with cerebral infarction causing mental disorders are mainly seen in lobe infarction. For patients with lobe infarction, which is usually caused by hypoperfusion, volume expansion therapy can be given. If the patient has a frontal lobe infarction, emotional psychiatric disorder can occur; if the patient has a temporal lobe infarction, the patient usually develops intellectual psychiatric disorder.