Early gastric cancer needs to pay attention to the following aspects when performing surgery: i. Since the surgery needs to be performed under general anesthesia, fasting and water fasting are needed before the surgery to reduce the peristalsis of the stomach and intestines. After the surgery, we should closely observe the changes of vital signs of the patient, such as blood pressure, pulse, body temperature and oxygen saturation. Third, after surgery, it is recommended to eat more easily digestible liquid food, such as rice porridge and noodles, etc. The diet should be mild and easy to digest, with fewer and more frequent meals, and the quantity of each meal should be well controlled. Fourth, if the patient has nausea, vomiting, abdominal distension and other conditions to immediately stop eating, and for further examination. Fifth, patients should maintain a good state of mind, optimistic and positive treatment, which plays an important role in postoperative recovery.