In recent years, the importance of environmental protection has increased. On the other hand, the phenomenon of urbanization, which is increasing every day, is one of the main challenges of climate and environmental changes. To control and manage the conditions, it is very important to pay attention to the concept of ecological development. This concept has a long history and theorists such as Sarda, Howard, Geddes have studied the form and human life in the field of urban planning. In this descriptive-analytical article, according to the records and opinions of experts, based on 12 criteria, the assessment and prioritization of the ecological indicators of Yazd city were discussed. In reviewing the results, the neighborhood security index with a weight of 0.2345 was the most important and the private vehicle ownership index with a weight of 0.0092 was the least important. According to the purpose of the research, which considered the ecological limitation, solutions were proposed, which are: carrying out urban development plans using multi-criteria decision-making and paying attention to the power of the environment, strengthening the security body of the city, strengthening the engineering and expert body of the municipality. Use of correct and more accurate field studies, wider study with more number of ecological criteria. پرونده مقاله