The intestinal tract of piglets is susceptible to the invasion of pathogens,which can easily induce the inflammatory response.Defensins are the main effectors of innate immunity and their importance has been widely recognized.Defensins play an important role in the host immune system,and they become potential new targets for anti-inflammatory therapy by mediating microbial regulation of intestinal inflammation.The aim of this review is to summarize the role of defensins in intestinal inflammatory response,and discuss the mechanis...