The main purpose of this study is to investigate the anthropology of socio-cultural structures of Kalhor tribe of Kermanshah and its changes and developments as well as tourist attractions of the study area. Therefore, the main issue and question that the researcher seeks to answer is from an anthropological point of view, what is the cultural and social structure and family system, and what changes have taken place in the structures in question in the recent past in Kalhor tribe? It should be mentioned that functionalist theory has been used in this research. The research method of this article from a practical perspective, is fundamental and in terms of nature, is qualitative and ethnographic. The statistical population of this research consists of all local informants and experts who live in Kermanshah province, especially in Kalhor tribe. In this article, snowball sampling method and the type of theoretical saturation are used and a mixed method is used forcollecting information (documentary-field). The findings of this study indicate that Kermanshah province and especially Kalhor dweller region has many tourist attractions that can be very effective in attracting domestic and foreign tourists, while this tribe has experienced extensive changes throughout its history which are visible in material, behavioral and oral traditions; and also in its socio-cultural structures and family system