Optical electronic white board system

The invention discloses an optical electronic white board system, which comprises an electronic white board, wherein the electronic white board is arranged in an outer frame; the top of the outer frame is provided with cameras; the cameras are connected with image acquisition circuits respectively; and before normal contact operation, positioning operation is firstly finished through a plurality of positioning points. According to the optical electronic white board system, quick response to a contact position on an electronic white board can be guaranteed by a PC (Personal Computer), so that the performance of the electronic white board is improved.