Leeks are rich in fiber, vitamins, fiber, protein, minerals, sulfides, alkaloids, saponins and so on.

From the modern pharmacological research shows that has the promotion of gastrointestinal peristalsis, prevention of intestinal tumorigenesis; has the role of regulating blood lipids; has the role of increasing sperm activity; has the enhancement of immunity and a certain antibacterial and anti-inflammatory effects and so on.

So leek flavor pungent, warm, so hyperactive Yang or patients with hot evidence, should not be eaten, so as not to aggravate the symptoms.