Select five kinds of food materials from the Beidahuang Green Planting base: rice, millet, black rice, corn, black sesame, and glutinous rice. They are ground with ingenuity, rich in dietary fiber and rich in nutrition; they do not contain any additives and preservatives, and are safe to eat. The scent of grains, the mouth is fragrant; individually packaged. Convenient to carry; easy to brew, it is an ideal health product for children, the elderly and office workers.