The invention discloses an automobile instrument with a navigation function. The automobile instrument comprises a master controller, an auxiliary controller, a navigation module, input equipment, a display device, a FLASH memory, a CAN (controller area network) transmit-receive module, a sensor detecting circuit and a voice prompting module, the navigation module, the input equipment, the display device, the FLASH memory and the voice prompting module are connected with the master controller, the CAN transmit-receive module, a backlight regulating module and the sensor detecting circuit are connected with the auxiliary controller, and the auxiliary controller is connected with the master controller. The master controller, the navigation module, the input equipment and the display device are arranged on the automobile instrument with the navigation function, navigation signals are acquired by the navigation module, a map is displayed or a driving direction is indicated by the display device in real time, accordingly, running parameters of an automobile, the navigation map and the navigation direction can be seen when a user looks at the instrument, and centralization of information inside the automobile is facilitated.