Flammulina velutipes is a kind of edible mushroom cultivated in autumn, winter and early spring. It is famous for its smooth and tender cover, crisp handle, rich nutrition and delicious taste, well liked by the public. The content of Amino acid in Flammulina velutipes is very rich, which is higher than that in general mushrooms, especially lysine, which has the function of promoting children's intelligence development.Ruyiqing Biotechnology Co. , Ltd. has been "committed to the production of human health food" as its own responsibility, "safety, peace of mind, nutrition, health, delicious" quality products to consumers at home and abroad. In the future, Ruyi will take high-tech, industrialization and industrialization as the guide, and walk out of a production-marketing combination, agricultural and scientific integration under the circular economy model of modern agricultural sustainable development.