Election and reliance on public votes as first bedstone of democracy and guidance for achieving to human sustainable development is one of the basic difficulties in political participation of people for in fluencing on selection of governments members, programs and transferring of states will to statesman for managing of country. But this participation and decision in every where is not always based on individual choice and intelligence, so that the existence of Tribal/Racial prejudice, loyalty to the familial and tribal military and special religious beliefs in many of developing society, not generally but partially can influence the electional decisions and lead it to a direction for achieving a collective identity. This research with focus on library and course researches and with on analytical-descriptive view, meanwhile studing the electional militaries and the role of tribal identities in this process, it also study the electional behavior of the people of electional domain of Mamassani in the fiveth to eight periods of Islamic council assembly. Also, with study of this election and political behavior of voters; The results of this research indicate the important role of tribal identity in selection of deputy in the all periods of voting. Generally, this is because of the interference of influential persons, the head of families and educated persons for achieving a series of individual and public interests. AlSo elector deputy consecrated for division sources an profits inside residents diverses Tribes region and process management and responsible appointed Mamassani special effected indirect to have vogve tribalism in eria.