The theory of social support can affect the extensive networks of social communications on people generally and causes the positive experiences for people, these experiences can be effective on feeling of predictability and stability in situations of life and enhancement of self-worth.

The purpose of this study is the investigation of relationship between social support in interactions, favorable social support and general depression, anxiety arousal and lack of feeling of pleasure among students.

The statistical sample of study includes 293 students of Allame Tabatabaee University.

The status of students is above the average in social support in interactions in components of daily emotional support, problem-centered emotional support and problem -centered support and it is above the average in favorable social support in components of daily emotional support,useful daily supports and problem-centered support.the results of Pearson correlation show that: social support in favorable interactions with general depression, anxiety arousal and lack of feeling of pleasure is significant in level of 0 / 05 and 0 / 01 and have negative significant relationship together. Regression analysis indicated that the components of lack of feeling of pleasure and anxiety arousal predict social support in interactions and component of general depression predicts the favorable social support.

Also, the results of present study show that: there is the highest correlation between social support in interactions and lack of feeling of pleasure and there is the highest correlation between favorable social support and general depression.