The invention provides a display control system in which the troublesomeness and time required for the presentation and the number of misses upon presentation can be reduced, and a presenter can flexibly respond to the status change of the scheduling of display order. A presenter registers projector display data to a projector via an Internet in a user terminal. In the projector, prior to projection, the projector display data is rearranged in the stack area in accordance with the priority allocated to the projector display data. Upon the projection, a projecting device projects the projection contents based on the projector display data read from the stack area in reading order according to a stack storing system.