Abstract: The present invention relates to a PC CardBus structure arranged on a PC CardBus, which has a computer connection port on one side of the body for connecting a notebook computer, a tablet PC, or other devices and has an outer body on the other side that comprises at least one plug-in port providing connection to at least one peripheral. Instead on the same side with the plug-in ports as seen in the conventional products, the power port of the present invention is arranged on a bump at the outer body of the PC CardBus so that the power cord will not be interfered with the connection cables of other peripherals when plugging in.