This paper investigates the effect of individual and organizational factors of IT human resources on their career satisfaction, career prospect and career commitment. In this paper, a quantitative method was used to study the effect; A survey of IT developers and IT related employees was conducted. Factor analyses and regression analyses were used in verifying the consequences. As a result, followings were found：From the individual perspective, the self-esteem of IT human resource showed the most significant effect on career satisfaction and the desire for career success had significant effect on career commitment. Among organizational factors, the fairness of evaluation showed the most significant effect on both career prospect and career commitment. It has been also shown that organizations should provide more opportunities for individual growth to enhance career prospect. Finally, career prospect affected career satisfaction; Both career satisfaction and career prospect showed effect on career commitment. This research provided guidelines in enhancing the career commitment of IT human resources, thereby effectively managing IT human resources.