The steps of gastric perforation repair surgery are as follows: 1. After the patient is stable under anesthesia, the upper abdomen is disinfected with 0.5% iodophor and towels are spread. 2. Then the site of gastric perforation is found under direct vision through open or lumpectomy, and some tissues are cut along the perforation site and left to send to the disease to exclude the possibility of malignancy. 3. 4, in the right upper abdomen and pelvic cavity need to place drainage tubes to fully drain.