Worn-out texture has been an expanding phenomenon in recent decades in many countries, including Iran, especially in Tehran. This phenomenon requires special solutions in which the various elements of influence and how they are related to each other should be investigated.

In a systematic approach, the multiplicity of influential elements in the formation of a phenomenon forms complex forms; to comprehend them, we need system analysis. Tehran renovation organization, since its founding (1347), has had different approaches to this subject. By recognizing and analyzing these attitudes and functions of the renovation organization, one can know an important part of the causes of the problems and important issues in the management of worn-out texture in the last few decades.

Therefore, this research has been done through a descriptive-analytic method. In this regard, qualitative information with quantitative data is used for analysis. This article is intended to analyze the approaches of the Tehran city renovation organization during different periods, in addition to realizing the problems of the texture, and evaluates the mechanisms of the organization’s actions in each period.

According to the research, until the end of the 1380s, the main issue in the type of attitudes and executive actions of the Tehran renovation organization was the lack of a process of planning with a systematic attitude. And analyzing the worn-out texture alone without attention to the context. The renovation organization in its period of revitalization since 1384, not only to Tehran worn-out texture but also try to recognize causes of worn-out texture and how it can be prevented or at least reduced its growth.