The USB socket is a universal socket safety and power saving, with USB interface, which comprises a socket body, the socket body is provided with the USB socket, USB socket and linkage switch is arranged at the USB base seat; a charger module in the socket body in parallel to an output end of the charger module linkage switch the input end and the output end of the positive and negative, positive and negative electrode and USB socket power supply end of the corresponding connection, the input end of the linkage switch is connected with the power supply. The utility model has the advantages of multiple USB socket attached to the general switch, and USB socket only in need of power is connected with the city electricity, which not only has only the USB line will be inserted with low-voltage electrical appliances and general switch on the USB socket can be connected to low voltage electrical charging advantages, but also has the equipment will not be long-term power, prolong the service life of equipment, has the advantages of saving power, eliminate hidden dangers.