Fresh soybean milk originated in China, and it is said that it was invented by Liu An, King of Huainan in the Western Han Dynasty, more than 900 years ago. "Compendium of Materia Medica" records: "Soybean milk can benefit qi and water, control wind and heat, and relieve all kinds of toxins", "Soybean milk is flat in nature and sweet in taste". Drink soybean milk in spring and autumn, nourish yin and moisten dryness, and reconcile yin and yang; Drink soybean milk in summer, relieve summer heat and heatstroke, promote fluid production and quench thirst; Drink soybean milk in winter, dispel cold and warm stomach, nourish and strengthen. Fresh soybean milk is suitable for drinking in all seasons.