Villages, as one of the human habitats, are always exposed to natural and human threats. Given the antiquity and breadth of rural areas, it is important to pay attention to the principles of passive defense in these habitats. Given that doing the principles of passive defense reduces vulnerabilities and damages; the main purpose of this study is to explain the strategies of sustainable rehabilitation of mountain villages in Noor city based on the principles of passive defense. In this way, the approach of the urban village, which is one of the new and efficient ideas for the development of rural areas, is used. The research method is descriptive-analytical and it's practical. Data collection was based on documentary and field studies. The analysis of the obtained information was performed using SWOT method and the necessary strategies for improving security and sustainability were presented according to the principles of passive defense and urban village approach by using QSPM quantitative matrix. Local people, specialists, experts and officials of institutions in charge of the study area make the target population of this study. The findings show that the natural environment suitable for the mountainous villages of Noor city from two perspectives of passive defense and the idea of urban villages is a good opportunity for sustainable development of these areas. It is also necessary to use this opportunity and other strengths of rural areas in the four physical, social, economic and environmental aspects.