The index finger is mainly made of flour, and there are different kinds of pasta all over the world. China's pasta snacks have a long history, different flavors and various varieties, mainly including noodles, steamed bread, flower rolls, fried dough sticks, mashed potatoes, sesame seeds cakes, jiaozi, steamed buns, cold noodles, wonton, twist and so on. Western food includes bread and scones. The history of pastry snacks can be traced back to the Neolithic Age, when there was a stone mill to process flour and make powdered food. In the Spring and Autumn Period and the Warring States Period, fried and steamed cakes appeared, such as honey bait, candied fruit and preserved meat. Since then, with the improvement of cookers and cookers, the raw materials, manufacturing methods and varieties of China pastry snacks have been improved.