Painless gastroscopy, i.e. gastroscopy under anesthesia, is not recommended for one person. 1. Anesthesia risk: painless gastroscopy generally requires short-acting anesthesia, although the anesthesiologist and gastroscopy operator will fully assess the patient’s condition before the examination, but does not exclude the possibility that the patient has an allergy to the sedative drugs, gastroscopy in the possibility of injury, and gastroscopy, the patient has a certain amount of awakening after the end of the waiting time, the end of the examination may be dizziness, disorientation, etc., so it’s best to be accompanied by someone! It is better to be accompanied by someone. 2. Communication and conversation: If gastric polyps, peptic ulcers, gastrointestinal malignant tumors and other conditions are found in the gastroscopy, the doctor will carry out biopsy, resection and other treatments according to the situation, because the patient is anesthetized, and need to talk with the family to communicate the next treatment options and operational risks. Therefore, it is not recommended to go for painless gastroscopy alone.