This study was carried on 120 child suffering from chronic pulmonary symptoms lasting morethan 3 weeks in a 6 months period from 1st of January 2007, such as cough, expectoration,anorexia, fever, dyspnea, chest pain, wheezing , etc.. . Asthmatic patients were excluded.Diagnosis of patients was based upon full medical history, thorough clinical examination,specific laboratory and radiological examinations. Leading causes are tuberculosis,suppurative lung syndromes, interstitial lung diseases, gastro-oesophageal reflux disease, foreign body aspiration, cystic fibrosis, immune and congenital defects. Early and properdiagnosis is crucial in preventing morbidity and chronicity