Taking a bath after drinking alcohol may cause the human body’s blood pressure to drop because alcohol has a diastolic effect on blood vessels, which may lead to a drop in blood pressure. When bathing, the pores of the person will be stretched and the blood vessels will be further expanded, so it is easy to have a drop in blood pressure and cause dizziness and headache. In addition, after drinking alcohol bathing and may catch cold, if the person after drinking alcohol intoxication symptoms are more obvious, and also in the closed environment bathing for a long time, may appear the performance of oxygen deprivation, and even cause syncope. After drinking alcohol bath can not be in the bathtub, once drunken drowsiness in the bathtub is easy to drowning, serious and even life-threatening. Therefore, after drinking, especially after drunkenness, it is best not to take a bath immediately, to wait for a bath after sobering up.