Drinking a lot of liquor can cause great damage to the human body, mainly in the following areas: 1. damage to the stomach, alcohol directly into the stomach, it will damage the mucosa of the stomach, causing inflammation, erosion, ulcers, bleeding, and in serious cases, even lead to perforation; 2. damage to the liver, alcohol will be metabolized in the liver, a large amount of alcohol will increase the burden on the liver, damage the liver cells and lead to alcoholic liver. If the patient is obese, it will also lead to alcoholic fatty liver and even cirrhosis in serious cases; 3. In addition, alcohol also has an effect on the metabolism of many drugs, which can produce a series of drug side effects, as well as the rapid absorption of drugs.