General anesthesia gastroscopy, enteroscopy together, according to the patient’s condition is different, the time required also varies. First, if the patient is accompanied by gastric polyps or intestinal polyps, at this time for gastroscopy and enteroscopy, often need to carry out the removal of polyps, and at the same time, the wound is completely hemostatic, sent to the pathology examination. At this time the operation time is longer, may need 40-60 minutes. Second, if the patient does not have gastric polyps and intestinal polyps, only gastroscopy and enteroscopy routine examination, the operation time is shorter, need 20-30 minutes to complete. Clinically for the elderly, combined cardiovascular and cerebrovascular disease patients, it is not recommended under general anesthesia gastroscopy, enteroscopy together, which will increase the risk of anesthesia, resulting in cardiovascular and cerebrovascular accidents and other more serious complications.