Vertigo and vomiting after cerebral infarction may be caused by recurrence of cerebral infarction, high blood pressure, otolithosis and so on. It is suggested that patients should consult the hospital in time to clarify the cause of the disease and treat the cause of the disease. 1. Recurrence of cerebral infarction: The chance of recurrence of cerebral infarction is high. If cerebral infarction occurs in the brainstem or cerebellum, it may cause sudden dizziness, nausea and vomiting, and may be accompanied by ataxia, speech disorder and other symptoms. 2. High blood pressure: when the blood pressure is too high, patients may have dizziness, vertigo, headache, blurred vision, tinnitus, insomnia, fatigue, vomiting and other symptoms, and they need to actively control the blood pressure. 3. Otolithiasis: After cerebral infarction, otolithiasis can be combined, which may cause dizziness, nausea and vomiting. There are many reasons for dizziness and vomiting after cerebral infarction, and it is recommended that patients go to the hospital in time to get a clear cause and treatment.