Thymol is a monoterpene phenol extracted from oregano,thyme and other plants.In recent years,many researches have shown that thymol has positive anti-oxidant,anti-inflammatory,antibacterial and antifungal properties,especially its various antibacterial mechanisms and the regulation of intestinal flora,are highly valued by the academic community.In this paper,thymol’s origin and structure,the possible mechanisms of regulating intestinal flora and application in antibiotic substi...