Data Envelopment Analisys (DEA)isin recent years, one of the most common methods of diagnosis efficiency of the organization. In the literature there is no publication, which reflect methodological relating to the scope of the usefulness of the DEA and the limitations that are associated with its use. This study is a response to observed in this area niche. The aim of this article is to assess the usefulness of DEA method in the diagnosis of organizational efficiency theoretically in the light of the praxeological concept of dynamic efficiency. Achieving the objective pursued require the presentation of the essence of the DEA method, its historical connotations and outline praxeological concept of dynamic efficiency.