Cerebrospinal fluid ( CSF ) rhinorrhoea may arise from a variety of pathologies. There is a high risk of developing meningitis, with all the associated morbidity and mortality. The diagnosis of (CSF) Rhinorroea should be established beyond reasonable doubt before surgical intervention is embarked upon. I describe management algorithm witch centers around the selective use of nasal endoscopy immunofixation of bata 2 Transferrin.