1, leek has high nutritional value, and contains protein, lipid defense, carbohydrates, crude fiber, calcium, phosphorus, carotene, thiamine, riboflavin, ascorbic acid and other nutrients. Leek has inhibitory effects on Pseudomonas aeruginosa, dysentery, typhoid fever, Escherichia coli and Staphylococcus aureus. The rich cellulose in leek can enhance the peristalsis of the intestine and make the stool unobstructed, which is of positive significance for preventing intestinal cancer. Volatile components and sulfur-containing compounds in Chinese chives can dilate blood vessels and reduce blood lipids.

2. The leaves, roots and seeds of Chinese chives have different functions as medicines. Leaves and roots have the effects of removing blood stasis, promoting blood circulation, stopping bleeding and diarrhea, and helping the liver to dredge collaterals. They are used to treat traumatic injury, diaphragmatic choking, nausea, enteritis, vomiting blood, chest pain and other symptoms, but the leaves have a stronger effect of removing blood stasis, especially its juice. The descending force of roots is greater than that of Ye Qiang, which can be used to treat sweating. Leek seeds have the effects of consolidating essence, strengthening yang, tonifying kidney and warming waist and knees, and are used to treat impotence, nocturnal emission and polyuria.