Abstract: The present invention relates to a system and method of data management for controlling a plurality of peripheral devices. In an example embodiment, a data management device for managing data communications between a data control device and the plurality of peripheral devices is added between them, and the data management device controls the plurality of peripheral devices by grouping them according to their characteristics, whereby various protocols can be integrated into minimized optimal protocols by the grouping, and the data control device can reduce technical and temporal overheads due to detection and control of the plurality of peripheral devices.