Political tolerance and permission of activity for all groups and political parties, is an inseparable component of democracy, especially in countries like Iran with various groups and political parties, each of them has a unique outlook and approach. Lack of political tolerance, prevents the creation of solidarity in achieving the goals of the political system and political will at the highest levels of political violence. This question has two parts: what is the level of political intolerance in this sample? What factors are affecting the political tolerance. Therefore, the aim of this study is to survey, measure of the political tolerance and its influencing factors among students in Ferdowsi University. According to the theoretical background, social capital variables, political awareness, education, gender and age as factors influencing political tolerance were selected. The results show that political tolerance is desirable. The results of the research also show that social capital has the greatest impact and political awareness and education is second and third in terms of importance. Moreover, Bridging Social Capital has a greater impact on political tolerance than Bonding Social Capital.