Abstract: Human adenovirus（HAdV） is a non-coated double-stranded DNA virus that is the most common viral pathogen causing severe pneumonia in infants aged 6 months to 2 years. A number of children with severe HAdV pneumonia have been found in many regions of China since 2019，which poses a serious threat to the life and health of children. This paper introduces HAdV genotypes，epidemic trends，disease severity，pathogenic mechanism，and early diagnosis and intervention，treatment methods and so on in children with HAdV pneumonia.

Key words: child, human adenovirus, pneumonia, diagnosis and treatment

摘要： 人腺病毒（HAdV）是一种无包膜双链DNA病毒，是引起6月龄至2岁婴幼儿重症肺炎最常见的病毒病原体。2019年以来，中国多个地区发现多例重症HAdV肺炎患儿，对儿童生命健康造成严重威胁。该文就HAdV的基因型、流行趋势、疾病严重度、致病机制以及儿童HAdV肺炎的早期诊断和干预、治疗方法等方面进行介绍。

关键词: 儿童, 人腺病毒, 肺炎, 诊疗