Abstract
<p>This article presents the results of the research fundamentality of methodology integrated in Social Work, related to contextualized the epistemological discussion that bases the exposition of the methodology integrated for Social Work. Is a qualitative research in which were reviewed, and analyzed theoretical and conceptual, referring arguments of books and articles, that allow to infer epistemological approaches, systems and methodological implications to base the integrated methodology on Social Work and to give account of the complexity of this conceptual axis of the professional intervention. The documentary compilation allowed collecting data from the reading and text review, to produce knowledge on the fundamentación of methodology integrated in Social Work. One advanced in a level of analytical knowledge, when investigating and synthesizing pertinent information around the categories: Theoretical systems and conceptual, Referring epistemology, Approaches methodology, Methodological implications.</p>