Raw powder is recipes often appears in the term, is used to thicken, more use of raw powder on the mainland is the potato powder, used in Hong Kong for corn flour, starch, while the thickening is commonly used in Taiwan for potato starch, is made of potatoes or cassava. In Chinese cooking, raw powder is also used as one of the marinade ingredients to soften the meat. The use of raw powder is very wide. It can be used as the seasoning of stir-frying, or it can also be used as a cold powder. It can also be used to spread the pancake, which is mainly used in the processing of meat raw materials, starch, cornstarch, etc.