The fungus is a precious medicinal and edible gelatinous fungus in China, and is also recognized as a health food in the world. China is the hometown of black fungus, the Chinese people as early as 4,000 years ago in the era of Shennong's recognized, developed the black fungus, and began to cultivate and eat. There is also a record in the Book of Rites about the consumption of black fungus at the banquet of emperors. At present, black fungus in China's northeast, north China, central and south, southwest and coastal provinces are planted.