This article is the summary of analyzing seven empirical research which can help make clear the social capital affairs in Iran, as follows: 1- The current social capital condition. 2- Analyzing the main political and religious factors influencing the social capital after the revolution in 1357. 3- The roles that different organization play. 4- The deposit banks, school makers and other financial agent. 5- And a general investigation about different changes in history happened since many years ago up to 1357.