The most common bacterial infections in bacterial colitis include S. dysenteriae, S. typhi, Salmonella, Campylobacter, etc. Specific treatment is as follows: 1. Different antibiotics are taken for enteritis caused by different bacteria, commonly used antibiotics include quinolones, i.e., ofloxacin and ciprofloxacin, aminoglycosides such as gentamicin, methotrexate and tinidazole for anaerobic bacteria; 2. Symptomatic treatment, mild dehydration or vomiting If the dehydration or vomiting is serious, the patient should be hydrated and the water-electrolyte and acid-base balance disorders should be corrected; 3. Appropriate use of intestinal microcirculation regulators or drugs to restore intestinal function, drugs to restore intestinal flora such as Bifidobacterium bifidum and Bacillus subtilis; 4.