Keyboard with functions of universal serial bus (USB) concentrator and card reader

The utility model discloses a keyboard with functions of a universal serial bus (USB) concentrator and a card reader, which comprises a keyboard shell, the USB concentrator, the card reader, a keyboard main board, a USB interface, USB expanding interfaces and the like, wherein the keyboard shell protects the USB concentrator, the card reader and the keyboard main board which are arranged inside the keyboard. The USB concentrator and the card reader are integrated on the keyboard main board. The USB concentrator is connected with a computer through the USB interface for carrying out data communication to achieve the function of the concentrator. A circuit port of the keyboard main board is connected with one port of the USB concentrator for carrying out data communication to achieve the function of data input of the keyboard. The card reader is connected with one port of the USB concentrator for carrying out data communication to achieve reading and writing operation on a storage card. The USB concentrator pro