This study was conducted to investigate the factors affecting on organizational commitment of military hospital nursing officers. For the purpose of this study, the self-administerd questionnaire survey was done with 440 military hospital nursing officers during february, 2001. The major results of the study were summarized as follows: By path analysis using LISREL 7.0, variables such as met expectations, work involvement, pay, work definiteness, positive affectivity, family support, peer support, promotion opportunity, expectations before entering a military hospital had significant positive effect on Job satisfaction in order of size, however, vertical conflict and horizontal conflict had significant negative effect in order of size. Variables such as job satisfaction, met expectations, promotion opportunity, positive affectivity, pay had significant positive direct effect on organizational commitment in order of size, however, job routinization, job opportunity had significant negative direct effect in order of size. It was found that the following variables, listed m order of size, had significant total effects on organizational commitment: job satisfaction, met expectations, positive affectivity, promotion opportunity, pay, vertical conflict, job routinization, family support, work involvement, work definiteness, job opportunity. In considering above findings, the program or plan for job satisfaction promotion, met expectations, fair promotion opportunity, adequate pay, work definiteness, solving conflict, positive affectivity promotion would be implemented to increase organizational commitment of military hospital nursing officers.