Background: In the present study was to investigate that the role of Bronchoscopy in pleural effusion in bacterial growth condition. Pleural effusion is one of the commonest problems with which patients present to the hospital. Pleural effusion is always abnormal and indicates the presence of an underlying disease. Despite the fact that there are many causes of pleural effusion, it is estimated that 90% of all pleural effusions are the result of only 5 disease processes: malignancy, pneumonia, pulmonary embolism viral infection, congestive heart failure.Methods: This is a Prospective and Observational Study. All patients diagnosed to have pleural effusion by x-ray, clinical examination and ultrasound examination of pleura if needed will undergo informed.Results: All 80 patients were included of whom 60(70%) were males and 20(30%) were females. Out of 80 patients, 5 patients are having bacterial growth (6.3%). All 5 patients who had exudative effusion, 4 were males and 1 female, 4 cases were right side effusion and 1 left sided effusion.Conclusions: Authors conclude that bronchoscopy has a definite role in the etiological diagnosis of pleural effusion in bacterial infection.