The study of the characteristics of the heritage fabric is one of the important things in studies of conservation and rehabilitative use. There are three main elements of rehabilitation and they are considered the basis for achieving the rehabilitation process and these elements are (development, sustainability, participation) and that the first item addressed in the research is heritage and urban fabric in heritage areas where characteristics have been studied And a problem, while the second term is rehabilitation, where the concept of rehabilitation, the types and causes of the process of rehabilitation and the benefits and qualifications that affect the urban fabric that are represented (social, economic, religious and political) were studied and building a comprehensive theoretical framework for the concept of rehabilitation Urban as an integrated process that includes a set of levels, characteristics and mechanisms

The research was based on achieving the goals and tackling the research problem based on a hypothesis stating that the process of rehabilitation in the urban fabric of heritage areas can be realized by achieving the mechanism, its components and its vocabulary.

For the purpose of validating the hypothesis, a region (Karimat area - Baghdad) was chosen and tested using the questionnaire method distributed on intentional samples (with specialists), and the positive effects of the rehabilitation process on the characteristics of urban tissue and its activities were revealed .