Abstract: The intestinal flora plays a very important role in lipid metabolism through the interaction between host and diet. Dietary fibers from a wide variety of foods and their intestinal metabolites can improve lipid metabolism by selectively changing the gut microbiota composition, enhancing the level of short-chain?fatty acids and decreasing the expression of proinflammatory cytokines and fasting-induced adipose factor (FIAF). Understanding the regulatory effect of dietary fibers on lipid metabolism by improving the gut microbiota?composition provides new ideas for preventing and treating lipid metabolism disorder and related diseases. This article presents a review of the literature on the regulatory effect and mechanism of dietary fibers on lipid metabolism through the gut microbiota.

Key words: dietary fiber, gut microbiota, lipid metabolism regulation, mechanism