The small bowl ear refers to the edible fungus of Auricularia (scientific name: Auricularia auricula or Auricularia auricula), which is a gelatinous fruiting body, disc-shaped, mostly ear-shaped, with a diameter of 1-5 cm. Soft when fresh and horny when dry. It has many aliases, because it grows on rotten wood and looks like a small bowl, so it is named small bowl ear; It is also like a moth butterfly, also known as a wood moth; Because of its delicious taste like chicken, it is also called tree chicken wooden machine (the ancient southern Chu people called chicken machine): double-petaled auricularia auricula is embedded in the tree and looks like pieces of clouds, so it is also called cloud ear. There are two main kinds of auricularia auricula that people often eat: one is that the ventral surface is smooth and black, and the back surface is gray or grayish brown, which is called auricularia auricula and auricularia auricula (commonly known as wild auricularia auricula); The other one is smooth, dark brown and translucent on both sides, which is called auricularia auricula, auricularia auricula and auricularia auricula. Auricularia auricula has a large area, but its texture is hard, not chewy, bad taste and low price. Auricularia auricula is soft and delicious, smooth and refreshing, and rich in nutrition. It is a kind of artificial cultivation, and there is also Lushi County, the main natural wild producing area.