According to the query Food Merchants Network Network learned that Douben Doumilk is the use of high-quality soybeans as raw materials, containing soybean ingredients, but it also added water and sugar, solid Douben Doumilk is a soybean milk beverage, but also a plant protein drink. Currently on the market is known as soy milk drink is divided into two kinds, one is soy milk drink, mainly soy flour, soy protein as the main material, add nutrient enhancers, food additives, other food supplements processed, soy solids content is relatively low; the other is a pure soy milk, soy as the main material, do not add food supplements and food additives, made from water and soybean by processing, soy solids content is high.