Truffles grow on the roots of oak, pine, or chestnut trees and are annual natural fungi. It is picky on the growth environment, weather and soil changes will affect its growth, so the annual output is extremely unstable, so its expensive price is comparable to diamonds. Mature black truffle has a strong scent, with a strange and rich fragrance, which blends a variety of flavors. The happy ones are addicted, the disgusted ones cover their noses, and different people can smell different flavors. Some people say that truffle has an earthy taste; others say that it smells nutty and musky; others say that it smells like hogweed, sweet potato, and so on. The peculiar smell refreshing one's heart, seemingly familiar, but inexplicable. Modern scientific research data shows that black truffle is rich in protein, 18 kinds of amino acids (including 8 essential amino acids that the human body cannot synthesize), unsaturated fatty acids, multiple vitamins, essential trace elements, and androgen, A large number of metabolites such as adenosine, truffle acid, sterol, truffle polysaccharide, truffle polypeptide, etc., have extremely high nutritional and health value.