This article presents reflections about the necessity to include the development of interpersonal competence in the process of the nurse manager formation. It points up a trend of contemporary management and the importance of the construction of interpersonal relationships as base for the actions of a manager. The inclusion of interpersonal competence in this way can influence in the transformation of the nurse manager practice and in the formation of a leader who can evaluate and measure the problems in a global way and perform her/his role with security and transparency.