The harmful effects of regular drinking on the body include possible liver damage, gastrointestinal damage, cardiovascular damage, neurological damage and increased chances of developing malignant tumors. 1. Liver damage: long-term drinking may cause alcoholic liver damage, resulting in alcoholic hepatitis or even cirrhosis. 2. Gastrointestinal damage: long-term alcohol consumption will stimulate the gastrointestinal tract, which can cause gastrointestinal diseases such as gastrointestinal bleeding, gastroduodenal ulcers, and even cause pancreatitis attacks. 3. Cardiovascular harm: long-term excessive alcohol consumption can cause myocardial damage, affecting myocardial contractility and even lead to heart disease. 4. Nervous system hazards: long-term excessive drinking will also damage the central nervous system, sudden withdrawal will lead to hallucinations and neurological abnormalities and other symptoms. 5. Increase the probability of malignant tumors: the metabolites of alcohol in the body include acetaldehyde and acetic acid, of which acetaldehyde belongs to the first-class carcinogens, and long-term drinking will lead to the accumulation of acetaldehyde in the body, which may increase the probability of malignant tumors. Regular alcohol consumption is harmful to the body, it is recommended to quit drinking as soon as possible, which is conducive to the health of the body.