1, Auricularia auricula powder is rich in cellulose and a special kind of plant collagen, which can promote gastrointestinal peristalsis, promote the excretion of fatty food in the intestine, and reduce the absorption of fat in food, thus preventing obesity. At the same time, because these two substances can promote gastrointestinal peristalsis and prevent constipation, it is beneficial to the timely removal and discharge of toxic substances in feces, thus playing a role in preventing digestive system cancers such as rectal cancer. Therefore, the elderly, especially those with constipation habits, insist on eating black fungus and often eat black fungus powder, which has a good effect on preventing various elderly diseases, anticancer, cancer prevention and delaying aging.

2. Jujube powder contains a variety of bioactive substances, such as jujube polysaccharide, flavonoids, saponins, triterpenes, alkaloids, adenosine cyclophosphate, glucoside cyclophosphate and so on. It has many health care and therapeutic effects on human body. It is mainly used for treating deficiency of middle qi, weakness of spleen and stomach, mental fatigue, anorexia, loose stool, blood deficiency and sallow, and female impatience.