After removing stitches after operation, pay attention to the regular diet, don't be too full or hungry, and don't eat hormone, alcohol, spicy and other irritating foods, such as colds and painkillers. These foods contain aspirin, which has obvious stimulating effect on the stomach. The gastroscope was reexamined 3 months after operation. Understand the cause of perforation, whether it is ulcer, gastritis, tumor or drug action. !