White fungus is silver ear. Silver fungus is a stramenophora, fungus, silver ear, silver ear order, silver ear family, silver ear genus of fungi, also known as white fungus, snow fungus, silver ear and so on, there is a "fungus in the crown," the name of the United States. Silver fungus is generally chrysanthemum-shaped or crown-shaped, 5-10 cm in diameter, soft, white, translucent, flexible.

As a traditional edible fungus in China, fungus has always been loved by the majority of people's favorite food, which contains the active ingredient - fungus polysaccharide has a special health function. Ming and Qing dynasties, the natural good quality of the fungus has been the emperor and dignitaries health and longevity of the good, such as the Qing Dynasty female government official De Ling by the "Imperial incense misty record" said: "the fungus like that, it's very expensive, often a small box of fungus to spend one or two dozen silver in order to buy.