Increased body temperature during fever can lead to a decrease in pepsin activity and affect the secretion of digestive enzymes, which can also lead to poor peristalsis, resulting in digestive dysfunction, gastric distention, and acid reflux. Seriously, it is also easy to vomit, nausea and other symptoms of reflux of gastric contents. The stomach discomfort during fever can be treated with drugs that increase gastric motility, such as domperidone suspension and Si Mu Tang oral solution. You should also pay attention to controlling your diet during fever. Try to eat liquid or semi-liquid food, such as rice soup, thin noodles, lotus root powder and millet porridge, lean pork porridge with fruit juice and vegetable soup. Do not eat too much meat and high-protein food such as eggs, fish and shrimp. Try to eat less and more meals, do not eat too much at a time to avoid increasing the burden on the stomach and intestines, affecting the digestive function.