The present paper has as its purpose to bring in evidence some of the peculiarities of the application of marketing in the domain of health services, emphasizing the intercessions of the specific organizations initiated at the microeconomic level, and only tangentially those developed at the macroeconomic level. For a better understanding of the way in which marketing is applied at the level of those organizations, a clarification of the health services' content and of the specific elements that favour or limit the application of some concepts, methods and marketing techniques is necessary.