All over the world, the market is a key concept which influences both everyday life events and political discourses. The market is considered to be a very complex social and economic phenomenon which can also be studied sociologically. Hence, the present study aimed to investigate the sociology of the market and the impact of social, cultural and economic changes on business functions in the recent three decades of 1360 – 1380 in Qaesarea bazzar in Isfahan. The research population consisted of the businessmen of Qaesarea bazzar in Isfahan and the other markets connected to it. 384 individuals were selected as the sample. The data were collected using questionnaires, historical documents and interviews. The results indicated that social changes have had a positive effect on cultural functions (Z=21.924) and on political functions (Z=81.026). Also, Cultural changes have a positive effect on economic functions (Z=2.149) and on social functions (Z=31.832), and on cultural functions (Z=12.792). Economic changes have a positive impact on economic functions (Z=68.07) and on social functions (Z=6.058).