China Pharmacopoeia contains fennel preparation, which is commonly used for invigorating stomach, dispelling cold, promoting qi circulation and relieving pain. Aniline can promote the maturation of bone marrow cells and release them into peripheral blood, and has obvious effect of increasing white blood cells, mainly neutrophils, which can be used for leukopenia. So, what is the efficacy and function of fennel? What are the pharmacological studies? Efficacy and Function of Foeniculum vulgare: 1. Digestion and appetizing, dredging the volatile oil with special fragrance in the chrysanthemum morifolium, which is helpful for regulating qi, digestion and appetizing, increasing appetite, and its crude fiber helps intestinal peristalsis, promotes defecation, and achieves the purpose of dredging the fu-organs and benefiting the intestines. 2. Clearing blood and nourishing heart, moistening lung and resolving phlegm. Chrysanthemum morifolium is rich in vitamins, carotene and various amino acids. It has a sweet taste and can nourish the heart, soothe the nerves, moisten the lungs and replenish the liver, stabilize emotions and prevent memory loss; In addition, Artemisia selengensis has a fragrant smell, which can eliminate phlegm and relieve depression, and avoid filth and turbidity. 3. Facilitating urination and lowering blood pressure. Chrysanthemum morifolium contains a variety of amino acids, fat, protein and a high amount of mineral salts such as sodium and potassium, which can regulate the metabolism of water and liquid in the body, promote urination and eliminate edema; Chrysanthemum morifolium contains a volatile essential oil and choline, which has the functions of lowering blood pressure and nourishing brain. Pharmacological research: fennel also has anti-ulcer, analgesic and sex hormone-like effects, and fennel oil has different degrees of antibacterial effects. It can stimulate gastrointestinal nerve and blood vessels, promote the secretion of saliva and gastric juice, stimulate appetite and help digestion. Suitable for spleen and stomach deficiency and cold. Patients with colic and dysmenorrhea are used for dietotherapy. The eating method is: take a little fennel, fry it, decoct it to remove residue, then add rice and cook it into rice porridge.