Xiangyun yarn is a kind of silk jacquard twisted yarn fabric. After getting off the plane, cook the white gauze, wash it, dry it, spread it flat on the open grass, sprinkle potato liquid for 36-40 times, and then cover it with river mud, so that one side of the covered mud is black and the back is brownish red. Some are cooled without mud, and the silk surface is brownish red. After drying in the sun, yam becomes a unique silk adhesive material, also called Xiangyun yarn. Silk surface has luster, good light fastness and washing fastness, and the fabric is waterproof and easy to drain.