With the increasing consumer demand for food quality and health, the food additive industry is experiencing a wave of technological innovation. With its unique chemical structure and versatility, Sucrose Isobutyrate (SAIB) has become a popular raw material in the field of food processing. This mixed ester compound based on natural sucrose not only has the triple function of stabilizer, emulsifier and thickener, but also shows excellent application potential in beverage, baking, dairy products and other fields . This paper will deeply analyze how SAIB reshapes the additive landscape of the food industry from three aspects: technical principles, application scenarios and industry trends.