摘要Leclercia adecarboxylata is a Gram-negative bacterium belonging to the Enterobacteriaceae family. To our knowledge, this is the first report of a carbapenem-resistant L. adecarboxylata strain isolated from a healthy newborn. The L. adecarboxylata strain isolated in this study carried four plasmids that may serve as reservoirs for antibiotic resistance genes. Plasmids 2 and 4 did not harbor any antimicrobial resistance genes. Plasmid 3 is a novel plasmid containing three resistance genes. The blaIMP gene harbored in the strain was most similar to blaIMP-79 at the nucleotide level, with a similarity of 99.4％ (737/741). This case highlights the importance of considering L. adecarboxylata as a potential cause of infections in children.