Usually painless gastroenteroscopy anesthesia is harmless to the brain, but may have a transient effect on the brain. Clinical painless gastroenteroscopy commonly used anesthesia drugs are mainly propofol and Depo-Provera, due to the use of anesthetics dose is very small, so generally will not cause brain damage, but may cause transient effects on the human body, such as occasional nausea, vomiting and other symptoms of the patient after awakening, generally metabolism of the drug, the above discomfort can gradually subside, generally do not need special treatment. If any discomfort occurs after anesthesia for painless gastroenteroscopy, it is recommended to actively inform the healthcare personnel and carry out specific treatment in time to avoid threatening the health.