Glycyrrhizin has the functions of replenishing spleen and replenishing qi, detoxifying and protecting liver, moistening lung and relieving cough, and reconciling various drugs. It is a sweetener and antidote for foods with high sweetness. Its sweetness is 100-500 times that of sucrose, and it has a slow sweetness and a long residence time. It also has a strong aromatizing effect and is very effective for dairy products, chocolate, cocoa, egg products and beverages. It is also a food additive for sauces and pickled foods.