An interface or integration among various information system is needed to construct knowledge management infrastructure. Particularly, digital library and knowledge management system have to be implemented in the view of integration for activating interaction of organizational knowledge. So this study conducts comparative analysis between two systems in the perspective of knowledge management key factors, and then explores the ways toward an integration model. The integration model is designed for activating user interface and consistent flow of knowledge. This model is expected to contribute to increase the performance of knowledge management.