Sorbitol is a sugar substitute. Sorbitol is a nutritive sweetener, moisturizer, chelator and stabilizer. It is a special sweetener with moisturizing function. It is used in sugar making process, brewing process and soybean products process, and is used in appropriate amount according to production needs. It can also be used for raisin moisturizing, thickening and aroma preservation of wine and refreshing drinks, as well as candy and chewing gum. Sorbitol can also be used as a food preservative to prevent food from drying out and keep food fresh; sorbitol also has the effect of improving colloid osmotic pressure and reducing edema, and it can be used to treat cerebral edema and glaucoma. Sorbitol can not be consumed too much, otherwise it may lead to diarrhea, indigestion, and so on, and consume too much or will produce more calories, resulting in greater fluctuations in blood sugar. It is recommended to follow the doctor’s advice to use sorbitol reasonably.