Ethyl vanillin is a broad-spectrum spice and one of the most important synthetic spices in the world today. It is an indispensable and important raw material in the food additive industry. Its aroma is 3 to 4 times that of vanillin, and it lasts lasting. Because of its strong aroma and less addition, it can effectively reduce the bitterness in food, and it is a substitute product of vanillin, which can reduce the cost. It is widely used in food, chocolate, ice cream, beverages and daily cosmetics to enhance and stabilize fragrance. In addition, ethyl vanillin can also be used as a feed additive; as an intermediate in the pharmaceutical industry.