The edible part of leek is leaves. Leek contains more nutrients, especially cellulose, carotene, vitamin C and so on. Leek also has volatile sulfur propylene, which is fragrant and pungent, can stimulate appetite, and has the effects of removing blood stasis, promoting blood circulation and detoxifying. Because leek contains cellulose, it can promote intestinal peristalsis and keep the stool unobstructed. The leaves, seeds and roots of Chinese chives can be used as medicine. Its role has its own emphasis. 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. Has the effects of warming middle warmer, lowering qi, tonifying kidney and benefiting yang,