The embodiment of the invention discloses an omni-display system based on energy-saving dormancy control. The system comprises a main displayer and a plurality of sub-displayers arranged in a room, wherein the main displayer is arranged in a parlor; the sub-displayers are used for collecting information of digital equipment in the room where the sub-displayers are located and sending the information of the digital equipment to the main displayer; a display screen of the main displayer and display screens of the sub-displayers are made of energy-saving screen materials. According to the system, as for domestic service, the main displayer is arranged in the parlor of a residence for displaying current information of all home digital products, the sub-displayers displaying the information of the different digital equipment are arranged at different positions, the energy-saving technique of the omni-display system is improved and explained, and the omni-display system is provided with a network interface which can be networked with a computer; an audio interface is arranged, and voice control can be conducted. The omni-display system achieves the energy-saving purpose in the screen materials and switching of a dormant mode.