Sorbitol, also known as sorbitol, hexanol, D-sorbitol, is a non-volatile polyglycol, chemically stable, not easily oxidized by air, easily soluble in water, hot ethanol, methanol, isopropanol, butanol, cyclohexanol, phenol, acetone, acetic acid and dimethylformamide. It has good hygroscopicity and has extremely wide role in food, daily chemical and pharmaceutical industries. It can be applied in food to prevent drying, aging and prolong the shelf life of products, and can effectively prevent crystallization precipitation of sugar salts in food, etc. It can maintain the balance of sweet, sour and bitter taste strength and increase the flavor of food.