The paper presents the case of a 4-year-old child who was admitted with the diagnosis Dg: Pleuropneumonia lat. sin, while in the further course as a suspicion due to progressive flow as staphylococcus pneumonia. The illness is complex in terms of treatment. The diagnosis was set based on the history of illness, its clinical course, laboratory findings, radiology tests. The boy was hospitalized in January in current year with symptoms (coughing, vomiting and fever) that have been lingering for the past two days. The boy has been treated with a ternary antibiotic therapy (cephalosporin of third generation parenterally with aminoglycosides, plus anti-staphylococcus therapy). In laboratory findings Sedimentation rate increased 88/134 WBC 75 thousands. Radiologically extended pleuropneumonia on the left side. In sputum staphylococcus aureus was isolated. In the further course of hospitalization, due to the development of progressive form of staphylococcus pneumoniae with a fever of up to 39 degrees, pale aspect and dyspnoic patient with anemia and with complications in the form of cysts, ruptures and pneumothorax, with a thoracic drainage performed. In the further course, the cysts were gradually absorbed, while the thoracic drain was grafted. Clinically, the child was looking better. We continued the anti-staphylococcus therapy (stanicide), to which the child reacted well clinically and radiologically. Auscultatory breathing on the left side was audible. The last follow-up and the last rtg pulmo et cor 6 months after the outbreak of illness with a complete regression of the foregoing changes.