Boletus edulis is a world famous high-quality edible. The crude cell shape, strain the meat thick, tender meat, rich in nutrition. Dried with 29.70% protein, 22.62% of the amino acids, of which there are seven kinds of essential amino acids, of the total of 41.91%, and 10 other amino acids, but also rich in minerals, trace elements and vitamins. Bacteria contained in the main volatile aroma substances 1 - octene -3 - ol (49% of total volatiles) and pyrazine compounds, constitute a unique pure fragrance rich flavor.