Abstract: Foreign body ingestion in children is a common accident，which may cause serious complications and affect the children’s health. This paper introduces the causes and preventive measures of foreign body ingestion in children. The causes of disease include children’s limited cognitive ability，the children being lively and active，the supervisor’s neglect of supervision，the lack of relevant knowledge and awareness of prevention of gastrointestional foreign bodyes. In order to effectively prevent the occurrence of foreign bodies ingestion in children，it is crucial to establish a list of dangerous articles and clear signs，strengthen publicity and education and improve the awareness of children，guardians and the whole society about fordign bodies in children’s digestive tract.

Key words: child, digestive foreign bodies, cause, prevention

摘要： 儿童消化道异物为儿童常见意外伤害，可能出现严重并发症，影响儿童身心健康。该文介绍儿童消化道异物的原因及预防措施。消化道异物与儿童认知能力有限、好动、监护者疏于监管、缺乏预防消化道异物的相关知识及防范意识等因素有关。通过建立危险品清单及清晰标识、加强宣传教育等措施提高儿童、监护者及全社会对儿童消化道异物的认识，有助于预防儿童消化道异物的发生。 

关键词: 儿童, 消化道异物, 病因, 预防