Objectives: Today, Problems such as poverty, failure in education, unsuitable living milieu, high degree of insecurity in society including violence and collisions, and misfortunes in personal life such as parents' divorce, losing job and coercive migration are among the factors that severely affect student's health. Based on the concepts presented by the scholars, adaptation to new environment, conformity with the society, participation in civil and collective activities and a feeling of being responsible are considered as the basic characteristics of mental health. This article is intended to study the correlation between social capital and psychic health among students of Tehran and Shiraz universities. Method: In order to measure the social capital, the three indexes of social trust, social support and social participation are utilized the research method is survey, making use of questionnaire. The population under study are students of the universities of Tehran and Shiraz. In order to facilitate and accelerate the research process and to save time and cost, it was inevitable to select 500 samples from the statistical population, making use of line table and the systematic randomization method. In this research, a Cranach is made use of for reliability, and external validity for safety of the validity of the questionnaire. For testing the hypotheses, the statistical methods of coefficient of correlative and variance analysis are utilized. Moreover, for measuring the research model, the Discriminate Analysis technique is utilized. Findings: The data marks that social participation as an index of social capital has the most significant correlation with the psychic health among the students from the two universities. While the index of social support among the students of Shiraz University has been higher than that among the students of TehranUniversity, the index of social trust among the students of Tehran University has been higher than that among the students of Tehran University. Research findings also show a significant correlation between the variables of job, marital status and gender and psychic health. Results: Results of the research emphasize on interaction trust, financial, mental-social support, self-esteem, family network and the participation in the host society, to maintain their mental health. The results of this study show that students with high level of social capital would be more likely to enjoy mental health and adapt to the new cultural situation. Berry has also addressed the role of social capital and the existence of supportive networks in facilitating acculturation. He believes that higher social capital cause higher levels of mental health and quality of life.