There are many methods and practices available to managers, practitioners and educators to carry out their activities to persuade the required objectives. This wide range of choice and awareness makes them ambitious in deciding which is feasible and which. this is not the case and this forces them to always try one or the other technique, method or/and process and at this point, according to Pfeffer and Sutton (2006), the evidence helps them decide which one is the Good. This essay, focused on this point, will constitute a critical reading and analysis of the strengths and weaknesses of Rousseau's (2006) article on “Is there such a thing as “evidence-based management”. This essay will first introduce how evidence-based management helps managers. Second, it will analyze Rousseau's repeated references to clinical and evidence-based drug development and relate them to evidence-based management and what is the state of evidence-based management practices. Third, it will critically analyze Rousseau's use of the story "Making comments friendly to people." Tracking how there is variation between theory and practice. Fourth, this essay will critically analyze organizational legitimacy, knowledge implementation as an outcome of evidence-based management, and the roles of schools, teachers, and students in creating the environment for effective management. based on evidence. Rousseau says quoting Barlow (2004), DeAngelis (2005) According to Lemieux Charles & Champ agu (2004), Walshe & Rundall (2001), fact-based management helps managers acquire expertise and make effective decisions that they do not might otherwise take using only their own intuition. This evidence is specific not only to the problems encountered, but also to culture and other organizations...... middle of article ......mpagne,f.2004,Using knowledge and evidence in Health Care: Multidisciplinary Perspective, University of Toronto Press, Toronto. Pffer, J. 2006, Half-truth and nonsense management: How to practice evidence-based management, California Management Review, vol.48, No.3Pffer, J. & Sutton,R. 2006, Evidence-based management, Harvard business Review, January 2006 Rousseau, D. 2006, Does evidence-based management exist? , Academy of Management Review, vol.31, 2, pp.256-269Raine, R. 1998. “Evidence-Based Policy: Rhetoric and Reality,” Journal of Health Service Research Policy, 3, 4, 251 – 3. Sackett, et al. 2000, Evidence-Based Medicines: How to Practice and Teach EBM, Newyork: Church Living Stone.Walshe, K. & Rundall,T. 2001, Evidence-Based Management: From Theory to Practice in Health Care, Milbank Quarterly, Vol.79, PP.429-457