Fennel is rich in vitamins B 1, B2, C, PP, carotene and cellulose, which makes it have a special spicy smell. Fennel oil can stimulate the nerve and blood vessels in the stomach and has the effect of invigorating the stomach and regulating qi, so it is an excellent vegetable with meat and oil.
Fennel cooked food or soaked in wine can relieve qi, dispel cold and relieve pain. Fennel seedling leaves are pounded with juice or applied externally, which can cure malignant carbuncle.
Fennel is pungent and cold. Appetizing food, regulating qi and dispelling cold will help Yang Dao.
Reference: Baidu Encyclopedia: Fennel