Dizziness the next day after drinking too much may be caused by elevated blood pressure, blood pressure should be monitored, and if blood pressure is elevated, blood pressure lowering treatment should be given in a timely manner. The clinical application of long-acting blood pressure drugs commonly used are amlodipine, amlodipine besylate, valsartan, irbesartan, nifedipine extended-release tablets, nifedipine controlled-release tablets, also can be applied to benazepril. If the patient’s blood pressure is severely elevated it may cause cerebral hemorrhage should be taken seriously, and if necessary, cranial CT and cranial MRI should be examined to clarify the diagnosis. It may also be due to the tendency to cause vasodilatation and blood volume deficiency after drinking too much alcohol, which may cause cerebral hypoperfusion and may cause cerebral hypoperfusion. When the posterior circulation blood supply is insufficient, the patient mainly shows signs and symptoms of cerebellar and brainstem ischemia and hypoxia. Dizziness, nausea and vomiting may occur, as well as balance disorders and ataxia. If there are the above symptoms, timely treatment with blood volume replenishment can be given, and appropriate saline or sugar saline can be drunk.