At the request of patients, the Department of Gastroenterology has started “painless gastroscopy” on the basis of “painless colonoscopy” since September 1, 2012. Examination time: Monday afternoon from 13:30, 5 cases of painless gastroscopy and 4 cases of painless colonoscopy; Thursday afternoon from 13:30, 5 cases of painless gastroscopy and 4 cases of painless colonoscopy. Examination location: Outpatient operating room (6th floor of outpatient clinic) Patients who wish to undergo the examination should explain to the physician during the outpatient clinic visit.