Raw flour used to fry things. Raw flour is also called edible starch, and its composition material is generally potato flour or corn flour. When making fried food, wrapping a layer of raw flour on the outer layer of the food can not only make the food have a smooth and crisp taste, but also keep the juice of the food well. Raw flour can not only be used as fried food, but also be thickened to make the soup of food thicker and more used for cooking.

Raw flour in Chinese food refers to starch, which is used for thickening and sizing when cooking. There are many kinds, such as sweet potato starch, water bean powder used in Sichuan cuisine, corn starch and so on.

Raw flour is the common name of starch, and there are many kinds. Corn starch has low cost and is widely used in all kinds of Chinese food. Potato starch has good properties but high price, which is mainly used in the middle and high-end catering field.

With the aid of the characteristics of water absorption, cohesiveness and smoothness of starch when gelatinized by heat, when the dishes are close to maturity, the prepared powder juice is poured into the pot to thicken the marinade and increase the cohesiveness of the marinade to the raw materials, thus increasing the powder and concentration of the soup and improving the color and taste of the dishes.