摘要:This study suggests the scrum development methodology adopting the user evaluation method which purpose is to improve the current defense information system maintenance procedure;and shows the expected effect of the methodology. It reports the effects of the proposed procedure and the problems of the current one which are acquired by analyzing real cases collected by interview with experts. As a result;the study is proved effective to prevent extra request or any further changes and to lead the successful completion of a project. Accordingly;the quality of the national defense information system and user satisfaction are expected to improve..