When the elderly have gastric perforation surgery, they should first pay attention to diet, choose liquid food, clarify the cause of the perforation, and avoid strenuous activities and other aspects. 1. Dietary choice of liquid food: after gastric perforation surgery, it is recommended to pay attention to appropriate rest, early after the recovery of gastrointestinal function need to consume liquid food to reduce the burden on the gastrointestinal tract, must pay attention to do not eat cold and spicy stimulating food, and then gradually transitioned to semi-liquid food, and continue to a normal diet. 2. Define the cause of gastric perforation: To define the cause of gastric perforation, determine whether the patient has gastric ulcer or malignant tumor, when gastric ulcer occurs, need to be under the guidance of the doctor to take oral protection of the gastric mucosa medication, such as omeprazole and other medications, if it is a malignant tumor and lead to the assessment of malignant tumors and the stage of the pathology of the staging and typing, and comply with the instructions of the medical staff to choose the reasonable treatment plan. 3. Avoid excessive strenuous exercise: after the operation, pay attention to appropriate bed rest, it is recommended to get out of bed as soon as possible, mainly walking activities, do not strenuous exercise. If gastric perforation occurs, it is recommended to consult the general surgery department of regular hospitals for surgical treatment.