Also known as auricularia auricula, lichen, auricularia auricula, auricularia auricula, Leigong auricula, soft auricularia auricula, sweet potato skin, etc. , is a combination of fungi and algae, generally growing in dark and humid places, dark black, a bit like soft black fungus. Physalis alkekengi is rich in protein, vitamins and minerals such as phosphorus, zinc and calcium. Scientists studying in Weizmann, Israel, found that a component contained in Lycium barbarum can inhibit the activity of acetylcholinesterase in human brain, thus producing therapeutic effect on Alzheimer's disease. Ground food is a delicious food, which is most suitable for making soup. Unique flavor, can also be cold or stewed, but also cool food.