Beer can not lower blood sugar, long-term consumption will rise blood sugar, but a short period of time a large number of drinking may occur hypoglycemic reaction. High blood sugar patients are not recommended to drink alcohol. Beer is an alcoholic beverage, long-term drinking, will damage liver cells and pancreatic islet cells, is not conducive to blood glucose regulation, resulting in increased blood glucose. It also leads to obesity, aggravates insulin resistance, and decreases the body’s sensitivity to insulin. However, a large amount of drinking in a short period of time can occur hypoglycemic reaction, and serious consequences such as coma and impaired consciousness may occur. In addition, drinking beer may affect the effect of hypoglycemic drugs, and even the occurrence of adverse drug reactions. Drinking beer does not lower blood sugar, there is no scientific evidence, high blood sugar should go to the hospital, under the guidance of the doctor treatment.