Autumn wild fungus collected from northeast China in the virgin forest, here is the world's rare pollution-free natural pure land, for only a year before the winter autumn harvest time, so called "autumn black fungus, it happened long long, thick flesh, taste tender and other characteristics, superior to other varieties of black fungus, through artificial selection natural drying after removing impurity, go to the root, keeping the autumn black fungus flavor, autumn black fungus contains essential eight kinds of amino acids and vitamins, has high nutritional and medicinal value of price, and is rich in pectin, digestive system has a good refrigerant effect to human body, is the gift of relatives and friends at home and abroad high mountain delicacies.