A report is given of 60 cases of bronchopneumonia in infants treated with Aureomycin during a period of 4 months, Aureomycin was given orally in a mixture. Dosage depended on the severity of the infection, the age and weight of the patient. The results of this series are compared with a series of penicillin treated cases and showed a distinct improvement. The cure rate of Aureomycin treated cases is about 70%.