Chest pain caused by excessive drinking can have the following etiology: 1. The most common etiology is the expansion of capillaries by alcohol after heavy drinking, and heart attack caused by ethanol and acetaldehyde in alcohol and myocardium. Common heart disease factors that cause chest pain after drinking are coronary atherosclerotic heart disease, unstable angina, acute coronary syndrome, acute myocardial ischemia, and other conditions that are high-risk factors. Need to go to the hospital immediately. 2, excessive drinking leads to chest pain digestive system diseases, can be caused by alcohol on the stomach, esophagus, duodenal mucosa caused by erosion and damage, and reflux esophagitis, acute gastric mucosal erosion, acute upper gastrointestinal bleeding and other conditions, will also have symptoms such as chest pain. 3, choking and coughing after drinking alcohol can cause respiratory system diseases, can also lead to respiratory symptoms, which will then make the lungs appear itchy, so there will also be chest pain. No matter what the reason for the chest pain from drinking alcohol, you need to go to the hospital immediately.