Necrotizing pneumonia (NP) is an uncommon complication of bacterial pneumonia in children, which must be looked into if a severe pneumonia has poor response to recommended antibiotics. The present case is a toddler with NP in whom fever and cough persisted despite treatment with first-line antimicrobial therapy, computed tomography (CT) scan revealed consolidation with multiple cavities, pseudomonas aeruginosa was the pathogen isolated from bronchoalveolar lavage, which a very uncommon organism is causing NP. Community acquired necrotizing pneumonia caused by pseudomonas is not reported in paediatric population. Hence, we report this case.