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Worn-Out urban textures have many problems in the physical, environmental, social and economic fields that have caused a lot of limitation for residents that live in these textures. In the presence of worn-out tissues, due to population growth and urbanization, natural disasters such as earthquakes can cause heavy losses and losses in such places. The need to reduce the vulnerability of cities and especially the worn-out structures against this phenomenon is considered as one of the main goals of urban planning and other related urban areas. Considering that the earthquake vulnerability is one of the most important challenges facing cities in Iran and is the subject of zoning of seismic risk and assessment of the vulnerability of cities to earthquakes in geographic and urban planning issues, this study attempts to measure the magnitude. The vulnerability of the corrosive tissues of Kashan city has been evaluated and solutions to this problem have been proposed. In this research, existing data from different organizations have been analyzed and evaluated using the fuzzy and fuzzy membership in the GIS environment. The results show that Kashan city with 754.3 hectare of worn out texture, located in different places of the city, the most used residential property with low quality, historical texture, ruined lands, long life of buildings and narrow and narrow streets exposed to greater vulnerability due to Earthquakes are more than other urban areas Among the worn-out tissues, the center of the city with the most and the Lather or lowest is the vulnerability.