Lentinus edodes (shiitake) is rich in nutrition. Those dried Lentinus edodes (shiitake) contain 18.64% protein, 4.8% fat, 71% carbohydrate, more than 10 kinds of amino acids, including 7 kinds of essential amino acids. It also contains VD, VB1, VB2, VPP, mineral contents and crude fiber etc. Lentinus edodes is very valuable as medicine. It can enhance immunity, prevent catching cold; Prevent rachitis,prevent the cirrhosis of blood vessel, reduce blood pressure. And shiitake is also regarded as an ideal food.