After drinking alcohol can not take a bath for the following three reasons: First, after drinking alcohol has been metabolized in the body, the product is acetaldehyde, acetaldehyde on the main role of blood vessels is to dilate blood vessels, easily cause a drop in blood pressure, in the bath due to temperature stimulation, blood vessels will further dilate, making a significant drop in blood pressure, easily lead to sudden shock or even cause death. Second, after drinking alcohol can not take a bath, because the reaction of the brain after drinking, as well as the awareness of the dangers are significantly reduced, it is easy to fall or lead to other dangers occur. Third, after drinking alcohol will generally appear blood sugar drop, bathing is also prone to blood sugar drop after exercise, the sum of the two will sometimes appear obvious hypoglycemic reaction, and even cause shock, so after drinking alcohol should not take a bath.