The main components of cumin are protein, fat, dietary fiber, fennel brain, cumin ketone, fennel aldehyde and so on. Its aroma mainly comes from fennel brain, anisaldehyde and other flavor substances. It is a multi-purpose plant that combines medicine, flavor, food and make-up. Young stems and leaves are used as vegetables and stuffing. Fennel fruits contain 2.8% fennel oil, 50-60% fennel brain, 18-20% a-anethole, 10% methyl pepper and a-pinene dipentene, anisaldehyde, camphene and so on. The endosperm contains about 15% fat oil, protein, starch, sugar and mucus about 85%. Can be used as a spice, commonly used in meat, seafood and baklava and other pasta cooking. In Chinese medicine, it is used as medicine, warm in nature, pungent in flavor, and belongs to the liver, kidney, spleen and stomach meridians. Functions: warming the liver and kidney, warming stomach qi, dispersing congestion, dispersing cold, relieving pain, regulating qi and harmonizing the stomach. Used for cold hernia abdominal pain, testicular deviation fall, women's dysmenorrhea, cold pain in the abdomen, epigastric distension and pain, eating less and vomiting and diarrhea.