The efficacy of Bifidobacterium 4-Linked Live Bacteria Tablets is to regulate the normal flora of the intestinal tract. Bifidobacterium 4-Linked Bacteria Tablets belongs to a kind of compound preparation, the main ingredients of which are Bifidobacterium, Lactobacillus acidophilus, Bacillus faecalis and Bacillus cereus, etc. The main effect of the drug is to regulate the normal intestinal flora, and so it can be used for all kinds of discomforts caused by dysfunction of the intestinal flora, which include functional dyspepsia, diarrhea and constipation. Adverse reactions to Bifidobacterium tetragonum tablets are extremely rare, but in the process of application, avoid the simultaneous use of antibiotics and drugs with adsorption effect. It is contraindicated for those who are allergic to the product. Before choosing a drug for treatment, it is important to follow medical advice or use it under the guidance of a pharmacist.