Lowering water resources amongst especially one that is part of a list that minds of the worldest has engaged himself, along with the issue of energy production, has led to the emergence of dam engineering science. Today, the construction of the dam has many socio-economic benefits and disadvantages, and it seeks to achieve the greatest benefit and the least harm in the context of the study of the effects of this plan. In this research, we have tried to investigate the positive and negative social, economic and physical effects of Darian Dam on affected villages. The main aim of this research is to measure the attitudes of 10 villager affected by the dam from the socio-economical and physical effects of Darian Dam in Kurdistan and Kermanshah provinces on their lives. Of the 10 villages studied, eight villages inclusive: zhiwar, Bolbar, Selin, Nav, Novin, Kalji, Zom and Ravar are from the environs of the city of Sarvabad in Kurdistan province and two villages of Hajij and Darian are from the environs of the Noosood district of Pave province of Kermanshah. The statistical population in this study was two groups of villagers. The first group of villagers consisted of 273 people and the second group consisted of members of the council and Village representative of each of the studied villages. Which includes 36 councilors and Village representative. the variables include three categories of economical, social, and physical variables. After gather data, using the software, the attitudes of rural inhabitant about the economic, social and physical variables The validity of the questionnaire for the social, economic and physical indicators were considered to be appropriate The reliability of the questionnaire from the villagers' point of view was for the social index(0.714), for the economic index(0.639) and for the physical index(0.622), and Village representative, for the social(0.774), economical (0.664) and physical (0.635) and According to the results, there was a significant difference in the attitudes of the key information of the village, in the two sections before and after the construction of the dam about the social and economic effects. So, the rate of social index from the viewpoint of villagers and key information has decreased by 20% compared to the Darian dam construction. And the economical index from the viewpoint of the villagers decreased by 24% befoe the dam construction and fell by 22.5% from the key information. Also, the rate of physical index from the viewpoint of villagers was 3 percent less than before the construction of the dam. And according to the local key information, it has improved by 4% compared to the Darian dam. This indicates changes in the socio-economic and physical aspects of residents due to the construction of the Darian dam. Key words: Darian dam, rural development, socio-physical, physical, damping,