Drinking alcohol with red face is not recommended. Alcohol is ethanol, ethanol itself causes redness in the face is usually not serious, but ethanol metabolite acetaldehyde, its important role is to dilate blood vessels, when the subcutaneous blood vessels are dilated, the face may appear to be red, so the person who blushes may be a high level of acetaldehyde in the blood, acetaldehyde is harmful to the body. Drinking alcohol may damage the digestive system, liver and other hazards. Alcohol can damage the digestive system and cause some damage to the gastric mucosa, which can easily induce chronic gastritis, gastric ulcer, duodenal ulcer and other stomach diseases. At the same time, alcohol needs to be metabolized by the liver, drinking alcohol will increase the burden on the liver, easily induced alcoholic liver disease, fatty liver and may even cause cirrhosis, liver cancer. It is recommended to drink a small amount of alcohol or try not to drink alcohol, so as not to cause harm to health.