Beer is mostly brewed from malt and hops through a series of processes. Beer has a low alcohol content and contains a lot of carbon dioxide, vitamins and amino acids. The unique taste can make people feel refreshing and quench their thirst. moderate drinking may be beneficial to the human body, but excessive drinking may cause some harm, and some people are not suitable for drinking beer. 1. benefits: the higher water content in beer can make drinkers quench their thirst. Beer contains low levels of alcohol can expand the body’s blood vessels, promote blood circulation, speed up the body’s metabolism; drinking beer can promote the secretion of gastric enzymes, enhance fat metabolism, promote digestion, but also diuretic; beer contains ingredients that can relieve mental tension, containing vitamin B to the brain central nervous metabolism also has certain benefits; beer is a pure energy drink, can be used as the body’s energy Source; 2, bad: drinking beer can promote increased appetite, resulting in increased caloric intake of food, easy to make people obese. The alcohol in beer has a stimulating effect, and long-term heavy drinking may induce digestive system diseases and urinary system stones. Long-term heavy consumption may also cause alcohol dependence, gout and other consequences. When too much beer is consumed, alcohol can paralyze the nerves and make a person prone to disasters when he or she is unconscious, which may result in irreversible consequences, such as car accidents. Beer is a good drink for many people, but care should be taken not to overdo it when drinking. In addition, patients with diseases such as gastrointestinal disease, liver disease, obesity, hypertension, diabetes, hyperuricemia, mental disorders, and alcohol allergies should learn to refuse to drink beer to avoid aggravation of their conditions and threats to life safety.