Mushrooms (Lentinus edodes) in Japan and China has several thousand years of history of use. It also as a food and medicinal fungi and famous. For a long time, people believe the xianggu mushroom can increase energy, for a cold and remove intestinal parasites. Mushrooms contain adipose, carbohydrate, protein, fiber, vitamins and minerals. However, the key component is called the lentinan polysaccharide. Lentinan from mushroom extract smash the mycelia, which are rich in polysaccharides and lignin. Use in mushrooms cover and stem the mycelia growth will appear before, after smashing the xianggu mushroom manufacturing products may can reduce hepatitis b infectious. Mushrooms also can stimulate white blood cell manufacturing interferon. In lab studies the display help enhance immunity.