To provide a presentation system for exactly photographing a photographing range with a simple adjustment by installing a photographing device matched with installment of a projecting device.

A presentation system 1 for performing presentation by projecting images with a projecting device 2 on a writable white board, is provided with a photographing part 6 for photographing the white board 2; and a projecting device mounting part 7 for mounting the projecting device 2 and constituted to adjust a position of the projecting device 2.