Patients with cerebral infarction who experience dizziness after discharge from the hospital should actively analyze the cause and treat the cause accordingly. If the dizziness occurs when the patient’s blood pressure is too high or too low, the blood pressure should be monitored, and if the blood pressure is elevated, blood pressure-lowering drugs can be given, such as oral amlodipine, amlodipine besylate, and also oral irbesartan and enalapril for blood pressure-lowering treatment. If the patient’s blood pressure is too low, consider whether it is due to overuse of blood pressure-lowering drugs. If the blood pressure-lowering drugs are overused, stop or reduce the use of blood pressure-lowering drugs. It may also be caused by reinfarction, mainly seen in cerebellar brainstem infarction. If a patient develops a reinfarction, he or she should be promptly hospitalized for comprehensive treatment. Patients with cerebellar brainstem infarction may experience dizziness, nausea, and vomiting, as well as ataxia, balance disorders, or difficulty swallowing, choking on water, and in severe cases, quadriplegia and even bulbar palsy may occur. Some patients can also present with disorders of consciousness with drowsiness, lethargy or coma, and cranial CT or MRI can clarify the diagnosis.