Honey grass is Glycyrrhiza uralensis Fisch. The main components in the roots and rhizomes of Glycyrrhiza uralensis Fisch are more than 20 triterpenoid saponins, with a total content of 6% ~14%, of which glycyrrhizin is 5% ~12%, which is the potassium and calcium salt of glycyrrhizic acid. Hydrolysis of glycyrrhizic acid produces 1 molecule glycyrrhetinic acid and 2 molecules glucuronic acid. In addition, it also contains a small amount of liquiritigenin, isoliquiritigenin, trihydroxyglycyrrhetinic acid, liquiritigenin, isoliquiritigenin, 5-methyl liquiritigenin, mannitol, glucose, sucrose, malic acid, betulinic acid, starch, glycyrrhizin and a small amount of volatile oil.

Honey grass, also known as longevity grass, nectar tea, sweet cool grass and rock sugar grass, is a herb with scattered roots and many branches. It is mostly born in barren and dry hillsides, hills and wild jungles, and its branches and leaves are fragrant and sweet. It is distributed in deep forests, and is most common in Yunnan, Sichuan, Guangxi and Tibet. The commercially available honey grass is not a specific plant, but a mixture of Tieguanyin tea stems and stevia rebaudiana.

Honey grass is a kind of food and can also be used as a medicinal material. Honey grass can clear away heat and detoxify, and drinking honey grass in summer is particularly good for the body. Honey grass can be used to reduce summer heat. Honey grass can also relieve fatigue, eliminate phlegm, relieve cough and relieve pain. It has a particularly good therapeutic effect on palpitation and shortness of breath, and can also prevent the occurrence of various heart diseases. Honey grass can improve the body's resistance. Honey grass is a kind of food suitable for all ages. Most people can eat it, but pregnant women can't eat it. It is best to drink Honey grass in summer.