Auricularia auricula has the function of promoting blood circulation and anticoagulation, and people with hemorrhagic diseases should not eat it. Pregnant women should not eat more. Normal people eat 10- 15g every day. 1, the auricularia auricula is rich in cellulose and a special kind of plant collagen. These two substances can promote gastrointestinal peristalsis, prevent constipation, facilitate the timely removal and discharge of toxic substances in feces, and have a certain dissolution effect on endogenous foreign bodies such as gallstones and kidney calculi. For patients with initial cholecystitis and initial calculus, insist on eating auricularia auricula 1-2 times a day, and the symptoms such as pain and nausea can be relieved within 2-5 days. 2, prevention of cardiovascular and cerebrovascular diseases Auricularia auricula contains vitamin K and rich minerals such as calcium and magnesium, which can reduce thrombosis, prevent thrombosis and other diseases, and prevent atherosclerosis and coronary heart disease. 3. The beauty of auricularia auricula is that it is rich in protein, and its protein content is comparable to that of animal food, so it has the reputation of "vegetarian meat"; In addition, the content of vitamin E is very high, which is a good product for whitening skin; The most important thing is the highest iron content. When it comes to iron supplementation, it is generally believed that spinach, lean meat and animal liver are rich in iron. In fact, the iron content of auricularia auricula is the highest among all foods, more than 20 times that of spinach and more than 7 times that of pig liver. Therefore, it is a high-quality food source for nourishing skin and blood and preventing iron deficiency anemia.