Illicium verum has the functions of warming yang, dispelling cold, regulating qi, relieving pain, warming middle warmer and strengthening spleen, and can be used to treat cold pain in the stomach, nausea and vomiting, abdominal pain due to cold hernia, abdominal distension such as bulging, kidney-yang deficiency, lumbago, impotence, constipation and other diseases.
Fennel oil can stimulate gastrointestinal blood vessels and enhance blood circulation.
Volatile oil and kaempferol, which also contains unsaturated organic acids, sterols, etc.