The hazards of painless gastroenteroscopy mainly include anesthesia-related risks and gastrointestinal tract injury. 1. Anesthesia-related risks: patients who undergo painless gastroenteroscopy need to apply anesthesia drugs intravenously, and some of them may be allergic to anesthesia drugs, resulting in decreased blood pressure and respiratory arrest, etc.; if gastric reflux is mistakenly inhaled into the lungs during the gastroenteroscopy, it may also cause aspiration pneumonia. 2. Gastrointestinal damage: patients who need to do gastroenteroscopy may suffer from digestive system diseases, the mucosa of their digestive tract is relatively fragile, and the patients can’t feel the pain during the examination process, if the examiner is not operated properly, gastrointestinal mucosal damage, bleeding, and in severe cases, gastrointestinal perforation may occur. Of course, painless gastroenteroscopy is still relatively safe, reduce the patient’s pain at the same time, the doctor’s interference factors are less, you can observe the gastrointestinal tract more thoroughly. Gastrointestinal discomfort, it is recommended to perform gastroenteroscopy as soon as possible, early detection of the condition, to avoid the development of tumors. As long as a systematic assessment of the patient’s physical condition is conducted before the painless gastroenteroscopy, the probability of associated risks is still relatively small.