Abstract: Intestinal polyps are common digestive system diseases in children.Early and accurate diagnosis by ultrasound is of great significance to the treatment and prognosis of intestinal polyps in children.This paper introduces the definition and classification of intestinal polyps，and focuses on the application of ultrasound diagnosis technology in the diagnosis of intestinal polyps in children，including examination methods，image characteristics，etc.At the same time，based on the relevant guidelines，consensus and literature at home and abroad，it compares the advantages and limitations of ultrasound with other imaging diagnosis methods，and discusses the clinical value and future development direction of ultrasound diagnosis in children with intestinal polyps.

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摘要： 肠道息肉是儿童常见的消化系统疾病，超声早期准确诊断对儿童肠道息肉的治疗和预后具有重要意义。该文介绍了肠道息肉的定义、分类，重点阐述了超声诊断技术在儿童肠道息肉诊断中的应用，包括检查方法、图像特征等，同时结合国内外相关指南共识及文献，对比了超声与其他影像学诊断方法的优势与局限性，并探讨了超声诊断在儿童肠道息肉中的临床价值及未来发展方向。

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