In this paper the main question is about the health complete interpretation. It is an epistemological discussion. It starts with the obstacles in the comprehension from several sciences (i.e. phisiology, epidemiology, and sociology) about the health as a social and collective problem. The point is how to do the research and the conceptual interpretation. Finally, the authors explain theirs point of view: the most important is the nature and specificity of the objet health. Not view disciplinary. They show a model to understand the analysis of the health from the social sciences perspective.