Usually, you can sit normally on the day of the gastroenteroscopy. If it is just an ordinary gastroenteroscopy, the examiner can move normally after the examination, including normal sitting, standing and daily activities, and needs to avoid strenuous exercise. Besides, it is recommended not to eat within 2 hours, and after 4~6 hours, you can eat some fluids or semi-fluids appropriately, do not eat stimulating food, and you can resume normal diet after 24 hours. After gastroscopy enteroscopy, you also need to pay attention to the occurrence of gastroenteroscopy complications, especially perforation, abdominal pain, etc., if the pain is only a little bit and disappears quickly, most of them are normal phenomena. However, if the pain is not relieved for a long time or the situation becomes more and more serious, you should quickly return to the hospital for examination.