A smart village is a village that uses digital communication, solutions and resources for its development and transformation in order to achieve the goals of sustainable development, and with the characteristic of flexibility, it offers various ways to improve it. In connection with smart growth and smart development, the smart village includes a change in the main way of life of the villagers and then making these areas stable, based on which the development of the smart village leads to the long-term sustainability of the development in the rural areas. Therefore, the aim of the current research is to identify and analyze the drivers of the impact of the smart village approach on the sustainable development of peri-urban settlements in Tehran metropolis within the limits of Islamshahr County. The research method is practical in terms of purpose and descriptive-analytical in terms of methodology, in such a way that the factors are first identified with the Delphi method and after the validity of its part, it is evaluated by 35 experts on 2023 in the field of information technology and planning and rural development in the form of a questionnaire using the structural analysis method. The results of the research showed that among the 57 key factors of the smart village approach in five economic, social-cultural, physical-physical, environmental and institutional-management sectors affecting the sustainability of peri-urban settlements, 17 factors have been introduced as key drivers, of which five the factor of increasing the transfer of skills and economic capacity building through the digital divide(+10), the use of electronic facilities and the Internet for educational classes to use virtual and distance education(+5), creating a suitable platform for increasing the access of residential units to fixed Internet in the village(+9), increasing attention to consumption management optimizing fuel and energy in villages and increasing villagers' participation in decision-making(+5), implementation and maintenance of projects by direct local managers (+8) have been introduced by experts as the most important critical drivers in the region.