The benefits of fermented milk: 1, can improve the tolerance of the gastrointestinal tract, because in the process of fermentation can make a lot of lactose decomposition, for the lack of lactase, after drinking milk easily lead to diarrhea, bloating and other lactose intolerant people, if drinking fermented milk has the benefit of improving tolerance. 2, fermented milk can adjust the microecology of the intestinal tract, for the maintenance of intestinal flora has a great benefit. This is because fermented milk contains a certain amount of probiotics in the process of production, which has a good regulating effect on the intestinal micro-ecology, which in turn can make the gastrointestinal tract function more powerful.