Truffle (scientific name: truffle) is the general name of a kind of mushroom, which is classified as the genus (scientific name: tuber) of Truffle family in Ascomycetes. There are about 10 different species, usually annual fungi, most of which grow in the roots of broad-leaved trees and generally grow under pine trees, oak trees and oak trees.

The Fiona Fang scattered at the bottom of the tree is 120 ~ 150 cm, and the blocks are hidden underground for 3 ~ 40 cm. Distributed in Italian, French, Spanish, China, New Zealand and other countries.

Truffles have a special edible smell and are rich in nutrients such as protein and amino acids. Truffles require extremely high growth environment, can not be cultivated artificially, and the yield is scarce, which leads to their rarity and high cost. Therefore, Europeans rank truffles with caviar and foie gras as "three great delicacies in the world".

Among many kinds, French-made black truffle Witt. The Italian-made white truffle Pico has the highest evaluation. White truffles are usually eaten raw, ground and sprinkled on pasta or fried eggs. It can be sliced and roasted with meat, or it can be used to roast goose liver. Truffles are also added to some cheeses. Black truffles are not as strong as white truffles, so they can be used as truffle salt or truffle honey. In the past, truffles were peeled, but now they are ground to avoid waste.