Rebaudioside is a sweetener extracted from the Stevia rebaudiana plant. In terms of chemical structure, it belongs to glycoside compounds. This substance is characterized by high sweetness. Its sweetness can be hundreds of times that of sucrose, but it has extremely low-almost negligible-calories, which makes it an ideal substitute for sucrose. In terms of application, Rebaudioside is widely used in the food industry in a variety of products such as beverages, baked goods, and dairy products. It provides consumers with a sweet taste while also meeting the demands for healthy eating and low-calorie intake. Moreover, it has good stability and can maintain good sweet-taste quality under different processing conditions and formula systems.