The utility model provides an Ethernet switch for realizing the network virtualization, wherein the Ethernet switch is reasonable in structure and low in energy consumption. The Ethernet switch comprises a central processor, a central switch chip, a control circuit, a data interface, a network interface, a first power supply unit and a second power supply unit. The output end of the data interface is connected with the central processor. The output end of the central processor is connected with the central switch chip. The output end of the central switch chip is connected with the network interface through the control circuit. The output end of the central switch chip is connected with a clock display. The second power supply unit is connected with the central switch chip. The first power supply unit is connected with the clock display. A power supply control unit is connected between the first power supply unit and the second power supply unit.