Water is not only one of the main raw materials of brewing, but also the most widely used raw materials. the key to the quality of beer lies in the quality of beer. The water used to make beer is called "beer blood". The characteristics of the world's famous beers are determined by the water used to produce them. The water used for beer production is the same as the water needed by human body. It must be qualified and conform to industry standards. If it fails to meet these requirements, the quality of beer production cannot be guaranteed and the physical and chemical standards of beer cannot be met.