The dough was evolved from cold-washed noodles in Tang Dynasty. There are schools such as Hanzhong rice skin, Baoji handmade skin, Tianshui skin and Xi 'an skin. It has the characteristics of somersault, softness, cool fragrance, sour and spicy taste, and is suitable for all seasons. It is one of the foods with ethnic flavor in northwest China. Its dough is famous for its excellent selection of materials, rigorous technology and exquisite seasoning, which is "white, thin, light, soft, strong and fragrant", cool and delicious. Now it is a famous snack in China.

Noodles are a special snack in northwest China, among which Tianshui noodles are unique high-quality snacks in northwest China. Noodles are also called stuffed skin, cold rice noodles, noodles, etc. Because of the different specific production processes in different places, the names are also different.