AbstractConstant changes in information technology (IT) and business environments have made the demand for a powerful management for IT systems more pressing. Enterprise architecture is a framework to develop and maintain IT, to achieve organizational goals and to manage resources of this technology. Enterprise Architecture (EA) quality is a multi-dimensional content which is not easily distinguishable and measurable. To determine this content more exact, the qualitative models have been presented in which different aspects of this matter are investigated. This paper attempts to introduce mentioned about determine EA qualification and its qualitative characteristics more clearly. This article can be used as a reference to investigate EA qualification and its models. Also, it can help stakeholders to explain the qualitative requirements more exactly.