There are many physical benefits of abstaining from alcohol for people, roughly as follows: First, the benefits for the digestive system, promoting digestion and absorption functions, helping food to be fully digested and absorbed in the gastrointestinal tract, as well as having a protective effect on the esophagus, gastric mucosa, and gastrointestinal tract. Because alcohol is a burning and cauterizing stimulus to the stomach and esophagus, the greatest benefit of quitting alcohol is the protective effect on the digestive system. In addition, the appearance and occurrence of liver diseases such as fatty cirrhosis and alcoholic liver injury can be effectively alleviated after quitting alcohol, so the greatest benefit to the body after quitting alcohol is the overall protective effect of the digestive system. Secondly, the body’s circulatory system is also greatly benefited by abstinence from alcohol, which can significantly reduce coronary atherosclerotic heart disease, acute myocardial infarction, alcoholic cardiomyopathy, etc. The chance of sudden cardiac death because of cardiac reasons, has a significant protective effect on the cardiac system. Third, abstinence from alcohol is good for the nervous system, can improve the function of the nervous system, significantly reduce insomnia, excessive dreaming and other alcohol damage to the nervous system.