GPS button and bar code inputting device based on commercial vehicle unit

The utility model relates to a GPS button and bar code inputting device based on a commercial vehicle unit, which comprises a vehicle unit host (1), a micro-processing unit (2), an operation button part (3), a GPS module (5) and bar code scanning equipment (6); the micro-processing unit (2) is connected with the vehicle unit host (1) through an RS232 transmitting interface, communicates and is connected with the GPS module (5) by an RS232 serial interface, communicates and is connected with the bar code scanning equipment (6) through an analog serial receiving interface, and is connected withthe operation button part (3) through a P0 port. The GPS button and bar code inputting device based on the commercial vehicle unit is connected with the bar code inputting device through the vehicle unit and the GPS button, provides vehicle status, goods/passenger transportation information service and all information contents sent by a center, and is convenient to use by the control center and terminal users.