Painless electronic gastroscopy is performed using short-acting anesthetic drugs and the patient can be examined while sleeping. Unhealthy living habits, eating spicy, stimulating, cold food, smoking, drinking easily cause damage to the stomach, causing an increase in stomach acid, resulting in pain, belching, indigestion and other manifestations of the stomach, will go to the hospital for gastroscopy. Painless gastroscopy is a more advanced examination method, based on ordinary gastroscopy, intravenous administration of short-acting anesthesia drugs will enter a sleep state, in the absence of consciousness of the patient’s stomach examination can reduce the pain of gastroscopy into the examination. Ordinary gastroscopy will appear emotional tension, timid performance, due to pharyngeal discomfort, nausea and breathlessness, the patient will also appear agitation, through the painless gastroscopy can make the patient’s mood stabilize, reduce agitation, to avoid damage, can make the examination more accurate, fast and safer.