Aim: this study aimed to compare the prosociality and social intelligence between students according to their handedness has been investigated. Methods: The statistical population of this study was all students of Mahallat universities in 94-95, who were selected by voluntary sampling method, 100 people as sample (50 top right and 50 of top left). was chosen through Edinburg`s hand dominance test, Tromso Social Intelligence Scale (TSIS), and Penner`s Prosocial Personality Questionnaire. Data were analyzed by multivariate analysis of variance (MANOVA). Results: The results showed that social intelligence and community personality have a significant difference in left-hand and right-handed students. So that left-handed individuals are more social intelligence and socialization than the right people. the left-handed had a better performance in Ability to understand (P<0/001), Social skills (P<0/001), Social Awareness(P<0/001), Empathic connection(P<0/001), Personal distress (P<0/001), Seen from the perspective of others (P<0/001), social responsibility(P<0/001), Mutual moral reasoning (P<0/001), Moral Reasoning orientation others (P<0/001), but no significant differences were found between the ability to self-report Altruism (P <0/23). Conclusion: Whereas left-handed individuals are superior to right-handed individuals in the components of social intelligence and community-friendly personality, which also include the perspective of others and personal distress And these two components make them vulnerable, despite their high intelligence, and it is better to focus on the emotional and emotional aspects of dealing with them so that their potential for social success can lead to social rather than Psychosocial disorders.