Wheat bran,as a widely used feed material,which is rich in carbohydrates,dietary fiber and minerals,but it is not fully utilized in animal production due to its high fiber and anti-nutritional factors.Microbial fermentation technology can significantly improve the nutritional value of wheat bran,increase protein and amino acid content,reduce the content of anti-nutritional factors,produce rich bioactive substances,and prepare green and healthy bio-health feed to improve its utilization in animal production.This paper mainly reviewed the research progress of fermented wheat bran and its applica...