Saccharomyces boulardii is a digestive aid. The main ingredient of Saccharomyces boulardii is Saccharomyces boulardii, the main function of which is to regulate the imbalance of intestinal flora, and is useful for the treatment of abdominal pain and diarrhea, bloating and abdominal distension caused by the imbalance of flora. It also contains a portion of fructose and lactose, so it has an auxiliary effect on the digestion of food. However, Saccharomyces boulardii does not colonize the intestinal tract after administration, so it is a transient microecological regulator. It is usually not possible to detect S. boulardii in the stool after a period of time after the drug has been stopped. When taking S. boulardii, it is necessary to avoid using it together with antifungal drugs, otherwise the effect of the drug may be affected. Some people may have allergic reactions to the drug, so you should try to use it under the guidance of a doctor, and pay attention to a light diet and maintain a good mood while taking it.