This study aims to identify factors affecting social health university students, with an emphasis on social networks. The research is descriptive method. The study population consisted of male and female students in payame  nour university students  shahre -rey  branch

Using stratified sampling, sample of 100 subjects (60% female and 40% male) were selected subjects and then by the Social Health Assessment Questionnaire (33 point)keyis (1998) were examined

To analyze the data from the statistical formula of the average correlation coefficient and multiple regression was performed using the statistical software spss

The results showed that social networks, social support networks and resources, networking and social health of their socio-economic status students there is a significant relationship

. The regression variables explained 28% variance between the social health of students that the most powerful predictor variable was the network connection. Social health of students as the social construct of the quantity and quality of presence and activity in social networks affected.

Keywords: social networks, social support, network communication, socio-economic status, and social health of students.