Ethyl maltol is an ideal food additive that is safe and non-toxic, has a wide range of uses, has a good effect, and a very small amount. It is a good sweet and flavor enhancer for tobacco, food, beverages, meat products, seafood, flavors, fruit wine, daily cosmetics, etc. The effect agent has a significant effect on improving and enhancing the flavor of food, has a sweetening effect on sweets, and has antibacterial and antiseptic properties, and can extend the storage period of food.