the key of Beijing wangjing wine is opened. Erguotou is the pot-head wine when the raw materials are fired in the second pot. This wine is the purest, odorless, high in concentration but not strong, and really mellow and fragrant. If only 6% alcohol is taken, and it is sealed in the ground, it will taste better after a long time of alcoholization. Using sorghum as raw material, bran koji and yeast as saccharifying and fermenting agents, Guotou wine is made by steaming raw materials, steaming auxiliary materials, entering the pool at low temperature, properly fermenting, fire distillation, pinching the head and removing the tail, and aging and fine brewing. Because the liquor of Erguotou liquor is clear and transparent, fragrant, mellow, sweet and refreshing, strong in strength, long in stamina and long in aftertaste, it has been recognized by consumers, and the brand family of Erguotou has become increasingly rich.