Display system includes a processor, a display module, and a number of shutter glasses. The processor can integrate video signals of different channels into an integrated video signal, thus the display module can display the video signals of the different channels orderly in a sequence according to a predetermined cycling period, and viewers wearing different pair of shutter glasses can watch their own specific programs. In this way, different viewers can watch different programs from the different channels through the same display system substantially at the same time.