Colonoscopy is not recommended for patients with certain disease states such as intestinal perforation, peritonitis, intestinal adhesions, and pregnancy status. Colonoscopy is an examination method in which a colonoscope is inserted through the anus through the intestinal tract to the ileocecal region, and colonic lesions are observed from the mucosal side. Enteroscopy is not recommended for patients in certain disease states, such as bowel perforation, peritonitis, after multiple open abdominal surgeries, those with intestinal adhesions, intestinal obstruction, shock, pregnancy status, acute stage of inflammatory diseases of the large intestine, abdominal aortic aneurysm, hyperthermia, severe abdominal pain, severe cardiac, pulmonary, renal, hepatic, and psychiatric disorders, and those with insufficient bowel preparation. If there is any gastrointestinal discomfort, it is recommended to seek medical treatment in time and under the guidance of a professional physician, and not to blindly deal with it on your own, which may cause adverse consequences.