Tremella batcave is a rare food, which usually costs a lot in the market. It is a kind of stone ear that grows in the bat cave and is highly sought after because of its rare and unique taste. The growth environment of auricularia auricula in Batong cave is special, and it needs specific conditions and natural caves to cultivate high-quality products. This scarcity leads to its price increase and becomes one of the high-end ingredients. Bat cave tremella is widely used in some cooking and food cultures because of its unique flavor and nutritional value.