There is no special medicine for chronic enteritis, and antibiotics, immunosuppressants, aminosalicylic acid preparations, mucosal protectants, antidiarrheal agents and so on are common. 1. Antibiotics: quinolones such as norfloxacin and levofloxacin are commonly used, and cephalosporins can also be selected according to the results of drug sensitivity. Antibiotic treatment is mostly for chronic enteritis caused by bacterial infection. 2. Immunosuppressants, aminosalicylic acid preparations: such as azathioprine, mesalazine, etc., mostly for the treatment of non-specific chronic enteritis, and need to be applied for a long time to improve the symptoms. 3. Probiotics, mucosal protectants: such as bifidobacteria, glutamine, etc., which can be used for diarrhea, abdominal pain, abdominal distension and other symptoms. 4. Antidiarrheal agents: such as montelukast, difenocoumarol, etc., mainly used for the treatment of diarrhea when the symptoms are obvious. For the treatment of chronic enteritis medication, it is recommended to follow the doctor’s instructions to choose drugs to avoid delays.