Silencon is a trade name, and the generic name of the drug is Bifidobacterium Bifidum Quadruple Bacteria Tablet, which is used to regulate the balance of intestinal flora and promote the digestion and absorption of nutrients. The drug is a compound preparation, the components include Bifidobacterium infantis, Bacillus cereus, Lactobacillus acidophilus and Enterococcus faecalis. The drug can directly replenish the normal physiological bacteria of the human body and form a biological barrier in the intestinal tract. Clinically, the drug is mostly used for the treatment of functional dyspepsia, diarrhea and constipation associated with intestinal flora imbalance. It should be noted that people who are allergic to Bifidobacterium bifidum quadruple live bacterial tablets are prohibited from taking this drug, the drug is vacuum-packed, and should not be stored for a long time after opening the bag. The adverse effects of the drug is not clear, patients taking Bifidobacterium bifidum quadruple live bacterial tablets, if there is serious discomfort, it is recommended to consult a doctor in a timely manner. Patients should follow the doctor’s instructions to take medication, not to use Bifidobacterium bifidum quadruple live bacterial tablets, so as not to affect the condition.