The objective of this study was to analyze the importance of complex health organizations and the trajectory of the administration, aiming at rescuing historic moments and the behavior of the people during the surveyed periods. It demonstrated the importance of efficient management, where there is a need for the manager to have a thorough knowledge of the organization and the people who work there, assessing possible impacts, seeking effective solutions, identifying threats as well as opportunities. It also demonstrated that when using management tools capable of providing strategic management information, one was able to create and reach a sustainable competitive advantage. The methodology employed was descriptive research, utilizing bibliographic research with both manual and electronic research in books, articles and scientific journals. A qualitative analysis completed the study. It is important to emphasize, more and more, in the programs for training and development of people, that everyone is responsible and is a significant in the patient's recovery ". We concluded that it is necessary for health organizations to adapt themselves to the constant transformations, reviewing processes and modernizing their management models, so they will be able to achieve results that ensure their continuity in the market.