Bailing mushroom is a rare edible fungus with high edible and medicinal value. Its mushroom body is white in color, fine in meat and delicious in taste. It has high edible value, and is known as "Boletus edulis on the grassland" and Pleurotus ostreatus, which is popular among consumers. According to scientific determination, its protein content accounts for 20% of dried mushrooms, containing 17 kinds of amino acids, multivitamins and inorganic salts. Pleurotus ostreatus also has certain medicinal value, and has effects such as elimination, insecticidal, antitussive, anti-inflammatory and prevention and treatment of gynecological tumors. Pleurotus ostreatus has high medicinal value. It contains fungal polysaccharides, vitamins and other physiologically active substances and a variety of minerals. It can regulate the physiological balance of the human body and enhance the immune function of the body.