Siyi is the trade name for Clostridium Typhimurium Enterococcus Triplex Tablets, which work to regulate intestinal flora. Clostridium Typhimurium Enterococci Triple Live Bacteria Tablets contain Lactobacillus, Clostridium Typhimurium, and Saccharomyces cerevisiae. The drug has 3 kinds of active bacteria symbiosis and proliferates in human intestinal tract to prevent the growth of harmful bacteria, thus exerting the intestinal adjustment effect of normalizing intestinal flora. So clinically the drug is used to improve various symptoms caused by intestinal flora imbalance. Including: diarrhea, constipation, alternating diarrhea and constipation and gastroenteritis. Adverse reactions to the drug are not known. It is contraindicated in patients with a previous history of hypersensitivity to the product. Patients should be carefully observed when taking this product, if allergic symptoms should be discontinued; children should be dissolved in warm water under the guidance of an adult and then taken; caution should be exercised during pregnancy and lactation. If you need to use the drug, it should be used under the guidance of a professional physician.