Dandelion is a kind of healthy wild vegetable with rich nutrition. Its main edible parts are leaves, flowers, stems and roots, and its tender leaves, buds and roots are edible. Chinese medicine believes that dandelion is bitter and sweet, cold in nature, and enters the liver and stomach meridians. It has many functions, such as clearing away heat and toxic materials, eliminating carbuncle, diminishing inflammation, cooling blood, promoting diuresis, benefiting gallbladder, purging dysentery, strengthening stomach, preventing cancer and so on.