Maltitol is a new type of sweetener, which is widely used in the processing of sugar-flavored food. In the past, sweeteners consumed by people were basically high in calories and high in sweetness, which were easy to cause diseases such as diabetes, obesity, arteriosclerosis and heart weakness. Maltitol has high sweetness, low heat, good safety, sufficient raw materials, simple manufacturing process, and unique properties that other sweet ingredients do not have.