This article focuses on the training/operation course offered at the Nurse and Pediatric Nurse school of Montpellier University Hospital aiming to develop a training program based on a construction of learning through professional situations. Thinking differently the training system based on alternation between course and internship and questioning the meaning of professionalization is an opportunity to be seized in the context of health formations reengineering. In that respect, offering a dialectical-learning alternation in and through a situated and problematized activity is (...) a judicious perspective for Nurses and Pediatric Nurses training in order to give meaning to work-study by giving a real ambition for professional learning. (shrink)