Gastroscopy and colonoscopy are usually performed in the Department of Gastroenterology. Gastroscopy and colonoscopy are used to detect lesions in the gastrointestinal organs such as the stomach and intestines, and clinically belong to the category of gastroenterology. The diagnostic rate of gastroenteroscopy is very high, and the gastroenteroscopes currently used are electronic endoscopes, which have the advantages of soft and slim body, large field of view, high resolution and accurate diagnosis. At the same time, gastroenteroscopy can also be used for biopsy or endoscopic operation treatment. Usually, enteroscopy can clearly understand the patient’s intestinal condition and is usually used to check the patient’s unexplained abdominal pain, diarrhea, constipation, blood in the stool, abdominal mass, etc. Gastroscopy can observe the upper gastrointestinal tract, such as the esophagus, stomach, and duodenum. Gastroscopy and colonoscopy need to be well prepared before the examination. If you feel unwell, we recommend that you consult a doctor immediately and seek treatment as soon as possible under the guidance of a medical professional.