Social vitality is one of the necessary phenomenons in any society. To strengthen the elements of social development such as community of hope and social confidence, social vitality is very important. The purpose of this article is to find the amount of social vitality among Iranian tribes (Azeris, Kurds and Lurs). The research was done in Tabriz, Nagadeh and shahre Kord. In examining the theoretical framework the researchers developed the assumptions on the basis of Blomer, Bourdieu and Durkheim. Using the Cochran formula, 450 were selected and the multistage cluster sampling and random sampling of were used to do this. The findings of the study show that social vitality varies among ethnic groups with the mean score of 90.21 and the Azeri has the greatest mean. The relationship between Social relation, local and national identity with social vitality were based and regression analysis showed that the local identity had the highest correlation with social vitality. Then, the national identity and the media had the highest correlation with the dependent variable. More importantly, however, value of 63.0 on the right side of the dependent variable represents the coefficient of determination that is known as psi and if this number is minused from 1, we determine the model coefficient (37.0). It means that 37% of the dependent variable explained by this model.