1, food processing: sodium tripolyphosphate belongs to inorganic substances, can be used as food additives, play a role in regulating the pH of food, improve the taste of the effect, but also lock the water, help to achieve the purpose of food preservation, can extend the shelf life of food, can make the food tenderized, but also to a certain extent to improve the flexibility of the food. Because of its good dispersing ability, it can make the taste of food more delicate and smooth, so sodium tripolyphosphate is also mostly used in meat, dairy products, canned goods, juice drinks and other foods.

2、Industrial manufacturing: Sodium tripolyphosphate can be used in industry to purify water, also can be used as bleach, deodorant, antiseptic, made into soap, detergent to use, also can be used as industrial water softeners, leather pre-tanning agent, dyeing auxiliaries, coatings, etc., widely used in industrial manufacturing.

3、Medical use: Sodium tripolyphosphate is a kind of ionic crosslinking agent, which can be applied to the production of medical hemostatic materials.