Pulmonary bulla in children represent interesting entities. Mostly congenital bronchopulmonary foregut malformations and acquired cysts. This paper will present a case of a 2 year old child with recurrent cough but with no signs of respiratory distress. On further investigation the patient was harbouring a huge pulmonary cyst resulting in mediastinal deviation. Following initial work-up , a giant pulmonary bulla was considered and thoracotomy with bullectomy was done. There was no post-operative complication thus patient was discharged improved.