Reflexive approach, as training process has now gained most fields involving the issue of relationship. In the field of healthcare, official texts for the reference training schemes (July 29th, 2009) encourage associating a reflexive process dealing with ability « to analyze any situation of healthcare ». Within the master degree curricula « teacher training to functions of professional accompaniment » of which the authors are co-persons in charge at the University of Cergy Pontoise, they train head nurses, eager to be trained to this approach. In this context, the authors clarify, from their experience, the approach of accompaniment and training in reference to clinical social psychology. They analyze how the training group acquires professional skills in relation to reflexive capacity and identify the process involved in the professional posture transformation. After presenting the device of reflexive analysis of the practice, they highlight the symbolic force of the frame and show the effects of an accompaniment of the new posture with thanks to a meta-analysis process. At each step of the process ; new professional skills identified are put to work, accompanying and accelerating individual and group change process.