Today, tourism has become a highly successful and profitable industry in the world, especially in developed countries. Hamadan province in Iran has a lot of tourist attractions. According to statistics released by the Heritage, Handicrafts and Tourism Organization in the province, there are over 1831 historical and cultural recorded works in Hamedan province. Therefore, by investing in the tourism sector, the province can be turned into a tourist destination, helping to create jobs and increase people's income. This research is an applied one, conducted by field and observation methods. Thus, tourism can be considered as a rescue tool for sustainable urban development, especially in marginalized areas. In this research, the effect of tourism industry on decreasing housing unsustainability will be studied in one of Hamedan's marginal neighborhoods, Manoochehri neighborhood, emphasizing on sustainability components. Using a researcher-made questionnaire, the researcher analyzed the extent of each of the components to answer the research questions and, through the SWOT table, identified the strategy of intervention in the neighborhood to reduce the incidence of unsustainability and, in the end, considering the strategy and the results of the questionnaire, it has come up with the necessary strategies.