Dried Shiitake mushroom (Lentinus Edodes) is one of famous traditional Vietnamese (and other South East nations') mushroom, and mostly cultivated. Dried shiitake mushroom is rich in nutrition and tastes good. It contains 18.64% protein, 4.8% fat, 71% carbohydrate (mainly mannitolum, trechalose, mycose, glucose, mycose, fondaparium etc.), more than 10 kinds of amino acids (including 7 kinds of essential amino acids), more than 30 knids of enzymes. Additionally, it also contains vitamines D, B1, B2, PP, mineral elements and crude fibres.