Generally speaking, there is no difference between the two, except that auricularia auricula is usually eaten as dessert, and auricularia auricula powder is added to some dishes to clear the stomach and intestines, but auricularia auricula powder has a heavy taste, so it is recommended to be eaten with other foods.
note:
Auricularia auricula powder can be used as a mask, which has a skin rejuvenation effect.