1. Volvariella volvacea (Bull.) Singer is a fungus belonging to the genus Pleurotus belonging to the family Pleurotus. Volvariella volvacea mycelium is colorless and transparent, with different cell lengths, with a diameter of 46-4 microns, an average of 217 microns, a width of 6-18 microns, and an average of 1 microns. It is divided into multicellular mycelium by a diaphragm, which keeps branching and spreading and interweaves with each other to form a loose reticular mycelium. The fruiting body is composed of cap, stalk, fold, outer membrane, volva, etc.

2. Volvariella volvacea is mostly clustered on the haystacks after the summer rain. It was originally a saprophytic fungus in tropical and subtropical China, and was introduced to Malaysia, the Philippines, Thailand and other places. In China, it is mainly distributed in Guangdong, Guangxi, Fujian, Hebei, Taiwan Province, Hunan, Sichuan, Tibet and other areas.

3. Volvariella volvacea is sweet and cold. It has the effects of clearing away heat, relieving summer heat, invigorating qi and blood, and lowering blood pressure. Used for summer heat, polydipsia, physical weakness, dizziness and fatigue, and hypertension. Modern medicine believes that it has pharmacological effects such as antioxidation, immune regulation and anti-tumor. Volvariella volvacea is rich in protein, but low in fat. The fruiting body can be eaten fresh, directly dried or dried into dried mushrooms, canned or salted.