The purpose of this study is identify the effect of economic and social capital of bazaars in the Qajar period on their role in the process of the Iranian Constitutional Revolution, until the issuance of the constitutional decree by Mozaffar al-Din Shah.This Research Method is historical and for collect information have been used Travelogues, memoirs, documents and historical documentd.

The results showed that the social capital of the bazaars in the Qajar period along with their economic capital played a major role in the revolutionary role-playing of the bazaars and the victory of the constitutional revolution.

The bazaars of the Qajar period, by using their accumulated social capital in the urban society and using money and labor under their cover, were able to play a revolutionary role in the first constitution and gain power in the field of politics.