Eat regularly and quantitatively, avoid overeating, fast all kinds of spicy and irritating foods, such as coffee and strong tea, eat some digestible foods, such as noodles or rice porridge, and pay attention to chewing slowly. It is best not to eat for two or three hours before going to bed. If you feel empty, you can drink more water If you have symptoms of gastroenteritis, you can consider using omeprazole, gastritis granules, ofloxacin, enteritis spirit, etc. Pay attention to the acid-base balance, and keep your abdomen warm at ordinary times to avoid catching cold.