This study is executed to find out necessities of park & open space management, its policy, its administrational structure, and personnel management. To get objective and basic materials for this study, conscious structure of practical level members in Seoul is analyzed by means of questionnaire sheet and ANOVA analysis. It is important to consider various related factors ; quality upgrading of management of park & open space, improvement of productivity, intensification of user service, and orientation of self administration. As a result, we should restructure the park system and policy in order to enhance recognition toward the necessities of park & open space. And we could suggest regional specialization of district autonomy area as an alternative strategy.