Conclusion: Colonoscopy is the best diagnostic method for the children with colorectal diseases and cauterization under the endoscopy is a safe and effective way for the children with colonic polyps.

• 结论:结肠镜是小儿大肠疾病的最佳诊断方法。在结肠镜下行小儿结肠息肉电凝切除是安全可靠的。