Usually, you can eat and drink after 1 to 2 hours of painless gastroscopy. Anesthesia will be administered through a vein before the painless gastroscopy to reduce the patient’s pain. Patients can feel fully awake after 1~2 hours of painless gastroscopy, after which they can eat and drink water. However, it is recommended to eat fluids and semi-fluids first, such as millet porridge and egg custard, to reduce the burden on the stomach. If the painless gastroscopy is carried out to remove the lesion or take more biopsies, the time to resume drinking and even eating should be based on the specific situation of each person, and follow the doctor’s instructions to decide the time to start drinking and eating. After the painless gastroscopy, pay attention to observe the body for any discomfort, if there is vomiting blood, abdominal pain, blood in the stool and other abnormalities, you should consult a doctor in time for appropriate treatment. The specific time to resume eating and drinking after painless gastroscopy can be consulted with the supervising physician.