In ancient times, there was no coal in Dunhuang. In order to heat the fire and cook the pot, each family had to go to the Gobi beach every year to dig the red willow roots, commonly known as "planing shoots", to solve the fuel of life. The firewooder brought the flour to take the water and the surface of the scene, and used the red wicker to set the surface of the pot, which was shaped like a "little fish" and was called "dumping." A convenient snack in Dunhuang folk, simple to make, convenient and affordable. It is a unique snack created by the Dunhuang people in the long-term life practice. It has a variety of ways of dry mixing, simmering and frying.