Stevioside is a natural sweetener extracted from the Compositae herb Stevia. It has the characteristics of high sweetness and low heat energy. Its sweetness is 200-300 times that of sucrose, and its calorific value is only 1/300 of that of sucrose. It has been proved by a large number of drug experiments that stevia is safe to eat and is a sweetener that can replace sucrose. Clinical trials by foreign food experts and medical experts have confirmed that the product has certain curative effects on diabetes mellitus and hypertension, and also has certain adjuvant therapeutic effects on obesity, cardiovascular disease, gastritis, oral diseases and hyperacidity.