Recently, our department saw a 4-year-old girl from Guangxi who came to our hospital because she had blood in her stool for half a year and had been treated at a local hospital for a month for hemostasis and nutritional support. According to her parents, the girl had been bleeding in her stool for six months, once or twice a day, sometimes with fresh blood, sometimes with coffee-colored stool, and the volume was medium. After fully communicating with her parents and explaining the possible risks during the examination, it was decided to perform a painless colonoscopy on the little girl. During the examination, it was found that the girl had a total of five tumors in her colon, with a diameter of about 1.0-2.5 CM, with a tip and a prune shape. The operation went smoothly and the child was discharged from the hospital after the operation with no discomfort after two days of observation. Zhang Yan, Gastrointestinal Endoscopy Unit, Panyu District Hospital, Guangzhou, China The tumor growing in the large intestine of the child was pathologically diagnosed as a juvenile polyp after electrosurgery. Juvenile polyps, also known as retention polyps, are mostly seen in adolescents and occasionally in middle-aged and elderly people. Endoscopic polyps are mostly solitary, about 70% of them are found in the rectum and sigmoid colon, and the clinical symptom is blood in the stool, and the treatment is mainly endoscopic high-frequency electrosurgery; there are also reports in the literature of patients with juvenile polyps of the intestine numbering up to a hundred, which are suitable for partial resection of the intestinal segment with more polyps. Most pathologists believe that they are misshapen tumors and do not become cancerous, but some scholars believe that juvenile polyps with a family history of cancer are associated with a high risk of cancer. The pathological diagnosis of the above-mentioned polypectomy of a 40-year-old patient in our hospital suggests severe local atypical hyperplasia. The principles of management of juvenile polyps and polyposis are: in case of hemorrhage, intestinal obstruction, intestinal entrapment, endoscopic or surgical treatment is needed to try to remove the polyps when the vital signs are stable. If available, even without the above complications, larger polyps can be removed endoscopically with high-frequency electrodes to prevent complications. Children, especially those under 8 years old, have been a difficult problem to receive endoscopic treatment because of their poor cooperation. Half of them were found to have juvenile colorectal polyps with diameters of 0.8-2.5 cm, and all of them successfully underwent endoscopic high-frequency electrosurgery of polyps in our department. With the development of intravenous general anesthesia painless technology and endoscopic treatment technology, our department has full confidence to bring good news to more children.