Amaranth is called "Cao Yang" in Pharmacopoeia because of its rich nutrition, warming liver and kidney, strengthening yang and fixing essence. It has been cultivated in China for more than 3000 years and is a vegetable with high nutritional value. Leek is not only tender and spicy, but also nutritious. Every100g of fresh leek contains 3.1.2mg of carotene, 20.09mg of vitamin B, 39mg of vitamin C, 84mg of calcium, 43mg of phosphorus, 8.9mg of iron, 2g of dietary fiber1.2g, as well as fat, protein and an irritating volatile substance. Chinese medicine believes that leek is a highly excitable drug, which has the effects of invigorating stomach, refreshing, warming liver and kidney, strengthening yang, fixing essence, warming middle warmer and lowering qi, promoting blood circulation and removing blood stasis, and is suitable for kidney yang deficiency, night sweats and enuresis, soreness of waist and knees, and excessive leucorrhea of women. In addition, the roots and seeds of leek can be used as medicine, and are often used to treat diseases such as traumatic injury, vomiting blood and epistaxis. Li Shizhen praised leek as "the most beneficial of all dishes." Leek not only has high nutritional value, but also has certain medicinal effects. Sulfide in leek has the function of reducing blood lipid, and is suitable for dry treatment of cardiovascular and cerebrovascular diseases and hypertension. Leek contains a lot of dietary fiber, which can promote gastrointestinal peristalsis, shorten its emptying time, shorten the interaction time between cholesterol and cholic acid in chyme and bacteria, and reduce the chance of toxic substances being absorbed by people. Has obvious curative effect on constipation, colon cancer and hemorrhoids. In addition, Chinese medicine believes that leek is sweet and warm, and has the effects of tonifying kidney, promoting blood circulation and detoxifying, harmonizing viscera, warming stomach, appetizing, eliminating dampness and regulating blood.