The generic name of rectified enterosan is Bacillus licheniformis Live Bacteria Capsules, which should not be applied for a long period of time, or it may lead to the imbalance of intestinal flora and prompt the decline of gastrointestinal autoregulation, which may trigger adverse reactions. Bacillus licheniformis Live Bacteria Capsule is mainly used for the treatment of acute and chronic enteritis and diarrhea caused by fungal and bacterial infections; it is also very helpful for intestinal flora imbalance caused by multiple factors. This drug has an antagonistic effect on some flora, and promotes the growth of Lactobacillus and other flora. If this drug is applied for a long period of time, it may lead to over-proliferation of some flora and trigger an imbalance of intestinal flora. Long-term application of Bacillus licheniformis Live Bacteria Capsules to equalize the intestinal flora will also reduce the intestinal self-regulation ability, which is not conducive to the recovery of intestinal function. Some patients may also experience adverse reactions such as constipation after using the drug. Long-term application may aggravate such adverse reactions. The contraindications of Bacillus licheniformis Live Bacteria Capsules are not clear, but attention should be paid to avoiding the joint application with other antimicrobial drugs when applying; it is forbidden for those who are allergic to this product, and allergic individuals should be cautious. Because the patient’s condition is different, the corresponding medication program, must follow the doctor’s instructions, not self-medication.