Noodle is a kind of food material, usually composed of flour, water and other ingredients, which is formed after kneading and kneading. Flour can be wheat flour, corn flour, rice flour, etc. Different flour can be used to make pasta with different tastes, such as noodles, steamed buns, dumpling skins, etc. Water is an important ingredient in the dough making process. It can make the dough soft and easy to knead and shape. Other ingredients such as salt, yeast and sugar can be added according to different recipes and taste requirements. After fermentation, steaming, boiling and other cooking methods, noodles can become various delicacies and an indispensable part of people's daily diet.