A part of hypertensive patients after drinking alcohol blood pressure normalized because the alcohol metabolites will prompt the vascular smooth muscle temporary diastole, but long-term large amounts of alcohol is not conducive to the control of blood pressure. A part of hypertensive patients after drinking three hours or five hours or so will appear blood pressure reduced to normal range, this is because alcohol in the human body will be metabolized by the liver, the metabolites can act on the vascular smooth muscle, play the role of vasodilatation, vasodilatation will make the blood pressure drop temporarily. Generally in a few hours after the blood pressure is lowered, the alcohol metabolism is completed, the blood pressure will return to its original state. It should be noted that the alcohol to reduce blood pressure is not able to appear in all hypertensive patients, especially hypertension is more serious people can not drink to restore normal blood pressure. Long-term large amount of alcohol is easy to induce cardiovascular and cerebrovascular disease, is not conducive to blood pressure control.