It is not allowed to drink beer on an empty stomach. It is particularly harmful to the stomach, causing an increased burden on the stomach, damaging the mucous membrane of the stomach, inhibiting the secretion of digestive enzymes in the stomach, causing nausea, vomiting, abdominal pain, abdominal distension, and in severe cases, constipation or loss of appetite, thus causing diseases in the stomach. In addition to the stomach, drinking beer on an empty stomach is also harmful to the brain and heart, sometimes causing brain damage, which affects the ability to think and judge, making the reaction ability slow and communication ability become particularly weak. Heart beating abnormal state, sometimes heart disease, will also lead to increased burden on the kidneys, often drinking beer on an empty stomach, will cause kidney disease to appear, and even dangerous conditions can occur. Drinking beer on an empty stomach is very easy to get drunk, and alcohol is more easily absorbed, and after rapid absorption, it will easily appear in a state of intoxication.