Gastroscopy should pay attention to the following aspects: 1, to pay attention to diet, after the gastroscopy, the patient’s gastrointestinal mucosa is damaged, so to light, easy to digest food, such as millet porridge, yam porridge, buckwheat porridge, and rice paste, noodle soup, egg custard and other liquid and soft food. 2, to pay attention to do not eat irritating food, such as spicy irritating food, too cold, too hot food, strong If the stool is black, it is mostly due to gastrointestinal bleeding, which needs to be treated promptly. 4. If you have fever, vomiting or weakness after gastroscopy, you need to take antibiotics for treatment. 5, working at height.