Children’s fever with bulging stomach is suggestive of abdominal distension or gastrointestinal gas symptoms, children’s fever is its own pathogen infection caused by autoimmune response, while the source of infection will also affect the normal digestive function of children, causing indigestion and other symptoms, resulting in gastrointestinal dysfunction of the gastrointestinal gas and abdominal distension, and in severe cases, there will be vomiting or diarrhea. Therefore, it is necessary to lower the temperature according to the specific body temperature, and also need to give the child an abdominal massage or oral probiotics to promote gastrointestinal peristalsis to help exhaust. Dietary advice is to eat a liquid diet with small and frequent meals, and avoid spicy and indigestible food to avoid aggravating the symptoms of abdominal distension.