对2017年12月在首都医科大学附属北京儿童医院就诊的1例以心脏杂音为首发症状的WHIM综合征患儿临床资料进行回顾性分析。患儿，女，5岁，临床表现为心脏杂音，粒细胞减少及反复感染。基因检测结果提示n CXCR4基因杂合突变(c.1000C>T)。心脏超声及心脏CT提示心脏畸形。WHIM综合征非常罕见，以心脏杂音为首发表现者在国内属首例，希望能提高临床医师对该病的认识。n “,”The clinical data of a WHIM syndrome child with cardiac malformation as the first symptom in December 2017 in Beijing Children′s Hospital Affiliated to Capital Medical University was retrospectively analyzed.A 5-year-old female patient presented with cardiac malformation, neutropenia and recurrent infection.Heterozygous mutation(c.1000C>T) was detected inn CXCR4 gene.Echocardiography and CT exhibited cardiac malformation.WHIM syndrome is very rare, and it was the first case with cardiac malformation as the first manifestation in China, thus hoping to improve clinicians′ understanding of this disease.n