Corn sugar residue is now used as a new type of feed material, which has reduced feeding costs for many feed factories and added a choice for farmers and friends. Corn sugar residue is a product with corn as the main raw material. It can be used as the main ingredient of feed. The content of protein and fat is relatively high. After corn is processed with ethanol, it can continue to be used to produce feed, which directly reduces the pressure on corn demand. Moreover, it is more reasonable in terms of nutrition ratio, which is a good choice for farmers.