Auricularia auricula is one of the specialty foods in Northeast China. It is rich in eight kinds of amino acids and vitamins necessary for human body, with high nutritional consumption and certain medicinal value. Auricularia auricula is rich in colloid, which has a good moisturizing effect on human digestive system, and has the functions of clearing hair, washing intestines, moistening lungs, reducing thrombosis, relieving coronary atherosclerosis and lowering blood lipid. The polysaccharide in Auricularia auricula has anti-tumor activity and has a certain preventive effect on tumors.

It is an indispensable ideal health food in textile, mining, chemical and other industries, and it is one of the delicious dishes in daily family cooking, which has already penetrated into the dining tables of thousands of families at home and abroad.

However, due to the large particle size, high gum content and low absorption rate of direct consumption, a large number of effective nutritional and health-care components are lost in vain, resulting in nutritional waste, increasing dietary costs and small utilization range.