Pleurotus ostreatus is the most common kind of daily edible fungus. The cap of Pleurotus ostreatus is shell-shaped or fan-shaped, with a diameter of 4-12 cm. It is blue-gray or dark when it is young, and then becomes light gray or yellow-brown. Yellow; the stalk is lateral or eccentric, 1-3 cm long, the surface is flat and thin, the edges are not rolled, flat, and the gills are coarse. The meat is relatively young, tender and delicious, with an oyster- like aroma. Pleurotus ostreatus is very fresh and tempting, whether it is fried in vegetarian or made into meat dishes, and at a low price, it is a good product on the people’s table. Pleurotus ostreatus is mainly eaten fresh, and canned and dried products are rarely eaten. Pleurotus ostreatus is white in color, white, thick and tender, and delicious in taste.