Leek has aphrodisiac properties, but the effect is weak because it contains zinc as well as vitamin C. It is effective in aiding the treatment of impotence, premature ejaculation and seminal emission, as well as warming the kidneys and strengthening the yang tonic. Leek is often used as a general diet in everyday life. In addition to its aphrodisiac effect, leek can also promote gastrointestinal motility, thus improving constipation, while improving the skin dilates blood vessels, reduces blood lipids, and is also effective in treating and preventing mildly elevated blood pressure. The iron contained in leeks can improve the symptoms of anemia and restore the body’s vitality. In clinical applications leek is mainly used as an adjunctive treatment and is not the primary treatment modality.