Acute enteritis in children is usually caused by bacterial or viral infection, mainly focusing on adjusting diet, preventing and correcting dehydration, rationalizing medication and preventing complications. 1. Diet therapy: Reasonable adjustment should be made according to the condition of the disease, individual’s digestion and absorption function and usual dietary habits, and more light and easy-to-digest food should be eaten. 2. Correct water and electrolyte disorders and acid-base imbalance: when diarrhea is severe and dehydration occurs, oral rehydration salts or intravenous rehydration can be used to prevent electrolyte disorders and acid-base imbalance. 3. Drug treatment: If it is bacterial infection, antibacterial drugs such as cefixime can be applied according to the drug sensitivity. If the infection is viral, it is self-limiting, so no special medication can be used. If necessary, montelukast can be used to protect the gastrointestinal mucosa, stop diarrhea. It is recommended that children with acute enteritis consult a doctor in time and actively treat the disease. The above drugs should be used in accordance with medical advice.