Abstract: In recent years,as the intensively studying of the theory of intestinal microecology,people have gradually appreciated that probiotics proform a positive role in heath through prohibiting the growth of pathogenic bacteria,promoting the absorption of nutrition,stimulating the immune defence,etc. Here,we focus on the mechanism of probiotics and its application in sow production,such as regulating the heath of gastrointestinal tract,enhancing immunity,improving the production and breeding performance and raising the conversion rate of feed. This paper aimes to provide reference for further research and application in sow production.

Key words: probiotics; mechanism; sow