Gastroenteritis generally refers to gastroenteritis, which is an inflammation of the gastrointestinal mucosa due to a variety of causes, manifested as nausea, epigastric pain, acid reflux, vomiting and other symptoms. Common causes include infection as well as improper diet and other factors. Therefore, patients need to pay attention to active treatment and improve their dietary habits to relieve the symptoms of gastroenteritis: 1. Active treatment: Since patients are often accompanied by symptoms such as diarrhea, vomiting and dehydration, they can be treated with rehydration, such as glucose sodium chloride injection and Ringer’s solution to replenish water and electrolytes. For patients with more severe vomiting and diarrhea, drugs such as Rebapate, omeprazole, cimetidine and montelukast can be given to protect the gastrointestinal mucosa. Patients should go to the hospital in time to improve the examination and then follow the doctor’s instructions for targeted treatment; 2. Improve dietary habits: you should wash your hands before eating, and also clean the ingredients and fruits before eating to avoid ingesting food contaminated by viruses or bacteria. Raw food is not conducive to the destruction of microorganisms in food, so ingredients should be cooked and eaten when cooking. Also, patients with gastroenteritis should avoid spicy, stimulating and greasy diets, as well as drinking alcohol, strong tea, coffee and smoking. When gastroenteritis strikes, a light, easily digestible diet should be consumed, including millet porridge, pumpkin porridge, egg soup, rice paste, boiled noodles, and fresh fruits, such as apples and papaya, to protect the gastric mucosa and reduce the burden on the gastrointestinal tract.