Maltodextrin has the characteristics of low sweetness, no peculiar smell, easy digestion, low heat, good solubility, small fermentability, good filling effect, not easy to absorb moisture, strong thickening, good carrier, good stability and difficult to deteriorate. Maltodextrin contains a lot of polysaccharides, calcium, iron and other beneficial trace elements and minerals, and can promote the normal material metabolism of human body. Maltodextrin is widely used in beverage, frozen food, candy, cereal, dairy products, health care products and other industries. It can also be used in textile, daily chemical and pharmaceutical production.