Polydextrose can be used as thickener, filler and formula agent in food additives. Polydextrose is an important raw material used to produce low calorie, low fat, low cholesterol and low sodium healthy food. Polydextrose can show some important functions in food. Chemicalbook can be as follows: necessary volume, good taste, can improve the oily taste of food, and has low freezing point, which is suitable for making cold meals and desserts, and will not cause dental caries. Polydextrose can reduce the consumption of sugar, fat and starch in food, with low calories.