Characteristics and efficacy: it has the functions of Invigorating Qi and activating blood circulation, cooling blood and moistening, can eliminate heat toxin in blood and prevent atherosclerosis. The plant gum in Auricularia auricula has strong adsorption capacity, which can discharge the impurities remaining in the human digestive system, play the role of clearing stomach and bowel, and also has the function of resolving gallstones and kidney stones. It is also an excellent health food for the middle-aged and elderly people.