Star anise, also known as "fennel" and "anise", is called "aniseed" by northerners. Illicium verum is a unique evergreen tree in China. Its fruit is gear-shaped, and each fruit consists of seven to nine pods, most of which are eight, so it is commonly known as "Illicium verum". Illicium verum, the fruit has a strong aroma, which can be used for seasoning, extracting spices and anise oil, and making the negative hormone diethylstilbestrol in medicine. At the same time, Illicium verum has the effects of appetizing, lowering qi, dispelling cold, expelling worms, promoting digestion, expelling wind, exciting nerves, and promoting lactation. According to Li Shizhen's Compendium of Materia Medica, Illicium verum has therapeutic effects on constipation, waist swelling, abdominal distension, and bladder colic. Star anise essence is widely used in preparing soap, cosmetics, toothpaste, sweet wine, candy and so on.