Straw mushroom is the fruiting body of the fungus Straw mushroom , belonging to the Basidiomycetes Agaricaceae . It was first cultivated in my country and has a history of more than two hundred years. Straw mushroom has the characteristics of crispy meat, delicious taste, and strong fragrance. It is known as “put a slice, fragrant in a pot”. Soon after the straw mushrooms came out, they began to pay tribute to the royal family as royal meals. It is said that the Empress Dowager Cixi “liked it 12 points.” The export volume of straw mushrooms in China is relatively large, so it is called “Chinese mushrooms ” internationally . When the straw mushroom is young, it looks like a bird’s egg, the top is slightly dark brown, the color gradually fades downwards, and the base is white palladium. At this time, the cap and stalk are covered by a thin film. As they grow and develop, the top The film is broken, exposing the stipe and the stipe. The cap is umbrella-shaped in the early stage, and is round when fully unfolded. The fungus is fleshy, light brown, and has no fungus ring.