A space-saving display device is disclosed to include a display body provided with a first pivot member, a base formed of an frame and provided with a second pivot member, and a support formed of a connecting member having a middle bend and two coupling members provided at two ends of the connecting member and respectively pivotally coupled to the first pivot member and the second pivot member such that the display body, the support and the base can be folded together to have the connecting member with its bend be received in the inner open space within the base to minimize the size convenient for storage, packing and delivery.