High-quality food source for preventing iron deficiency anemia. Health care function of eating auricularia auricula: Auricularia auricula is rich in cellulose and a special kind of plant collagen, which can promote gastrointestinal peristalsis, prevent constipation, facilitate the timely removal and discharge of toxic substances in feces, and dissolve 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. Auricularia auricula contains vitamin K and rich minerals such as calcium and magnesium, which can reduce blood clots, prevent thrombosis and prevent atherosclerosis and coronary heart disease. It is well known that hair turning white is related to mental stress and excessive anxiety. Bai Yaping, director of the Chinese Medicine Department of the First Hospital of Hebei Medical University, said that in order to prevent hair from turning white, in addition to regulating mood, we should also pay attention to increasing the intake of trace elements and nutrients related to blackening hair in the diet to promote the normal growth of hair.