Objective: To identify the knowledge of nursing professionals in the technique of delayed bladder catheterization. Method: This is a literary study, with qualitative and descriptive characteristics, in which a survey of the theoretical framework was carried out in journals of scientific platforms such as: Virtual Health Library (VHL), Scielo (Scientific Electronic Library Online), LILACS ( Latin American and Caribbean Literature in Health Sciences) and BDENF (nursing database), in a period between 2006 to 2016. Results: The main reasons for using the bladder catheter are urinary retention due to urethral obstruction due to hyperplasia benign prostate, neurogenic bladder where the person lacks bladder control due to a brain disease of the spinal cord or nerves. Conclusion: Upon learning that urethral catheterization is an invasive technique that involves the insertion of a catheter through the urinary meatus to © All rights reserved. Editora JRG and Revista JRG de Estudos Academicos are not responsible for the copyright issues of this article, the authors of which are legally responsible. the bladder, in order to establish a temporary drainage path, permanent or intermittent, from this to the outside diagnostically and / or therapeutic.