As Analysis of Effective Environmental Factors on Urban Life Health in Iranian Metropolis Case Study: Metropolis of Qom

City, as the habitat and settlement area of of the urban man, reqires the meeting of the standards that at one glance can be called "quality and health standards". Biological health is, in fact, a multi-dimensional and complex concept that has been emphasized by thinkers of urban and social sciences. The present study, with the knowledge of the importance of this issue, has examined the issue of urban ecological health in terms of environmental studies. This research, which is an applied and its research method is based on field and descriptive-analytic studies, has focused on environmental variables and ecosystem health. According to the Cochran model, 322 questionnaires were distributed among household heads (level of analysis) of eight metropolitan areas of Qom (study area) Finally, for analyzing and studing the data, using SPSS and ArcGIS software and the Topsis model as one of the most useful methods for decision making, the following questions were discussed. The results of this study to answer the questions show that the eight studied areas, influenced by socioeconomic, cultural and interactions with urban management, have a spatial division of the dimension of environmental quality and ecosystem health. As regions 4, 3, 1 and 7, according to the most favorable conditions, social, cultural and economic indicators of the household have better quality and environmental quality than areas 8, 5, 6 and 2. So that the viewpoint of residents of regions 1, 4, 3 and 7 on the use of health indicators indicates their favorable situation compared to others. Finally, in response to research questions, it was determined that the reasons for the differences between different regions in terms of urban health are the existence of differences in social, economic and cultural indicators of the household and its impact on environmental quality and interaction with urban management.