根据罗马Ⅲ标准,儿童上消化道功能性疾病包括呕吐和吞气症(青少年反刍综合征、周期性呕吐综合征、吞气症),腹痛相关的功能性胃肠病(功能性消化不良)。本文主要阐述周期性呕吐综合征和功能性消化不良。1小儿周期性呕吐综合征近年儿科界对周期性呕吐综合征(cyclic vomiting syn-d According to the Rome III criteria, functional disorders of children with upper gastrointestinal tract include vomiting and swallowing (adolescent rumination syndrome, recurrent vomiting syndrome, swallowing), and abdominal pain-associated functional gastrointestinal disorders (functional dyspepsia). This article focuses on recurrent vomiting syndrome and functional dyspepsia. A pediatric periodic vomiting syndrome in recent years, pediatric community of cyclical vomiting syndrome (cyclic vomiting syn-d