There are 12 bottles in a glass bottle and 24 bottles in a can of beer. It is often said that one bottle is 6 bottles, one dozen is 12 bottles and one dozen is 24 bottles. Beer is made from malt and barley malt as main raw materials, adding hops, liquid gelatinization and saccharification, and then liquid fermentation. Its alcohol content is low, it contains carbon dioxide and is rich in nutrition.