Children who do not want to eat and have no appetite usually do not need a gastroscopy. Poor eating in children is often related to immature gastrointestinal tract functions and unreasonable eating habits. Parents are advised that they should give their children foods that are easy to digest and rich in nutrients. In addition, do not let your child eat too many snacks and you should not let your child watch TV while eating, these are all bad habits that need to be corrected.