Sodium hexametaphosphate is used in meat products, fish sausages, hams, etc. It can enhance water-holding capacity, increase adhesion, and prevent fat oxidation. It can prevent discoloration, increase viscosity, shorten the fermentation period and adjust the taste when used in bean paste and soy sauce. It is used in fruit beverages and refreshing drinks, which can increase the juice yield, raise viscosity and inhibit the decomposition of vitamin C. It can be used in ice cream to enhance the swelling capacity, increase volume, strengthen emulsification, prevent the destruction of the paste, and improve the taste and color. Used in dairy products and beverages to prevent gel precipitation; When added to beer, it can clarify the liquid and prevent turbidity. It is used in canned beans and fruits and vegetables, which can stabilize natural pigments and protect the color of food. In addition, spraying sodium hexametaphosphate aqueous solution on cured meat can enhance its preservative performance