ABSTRACT
Psychological capital is a new concept that today is discussed. Introducing this approach is indicative of its importance and role to psychological well-being and social capital. Therefore, the purpose of this research was to investigate the relationship between psychological capitals with social capital in Tabriz university students. The study was descriptive-correlative and the sample includes the entire student of Tabriz university who were 15000 students and 400 people [200 males and 200 females]. They were selected by using cluster sampling. The data were collected by the Luthans inventory capital psychological and Delaviz scale social capital. The data were analyzed using Pearson correlation coefficient and regression using SPSS-16. The results showed that there is a positive and significant relationship between psychological capital and its components with the social capital. On the other hand, the results revealed that the psychological capital and its components can predict changes in social capital significantly. Also, the people who have better psychological capital have better and higher and social capital.