The invention relates to an automatic driver
alcohol detection device. The automatic driver
alcohol detection device comprises a
control system, a start / stop button, an
alcohol detection device, an
ignition system, a vehicle traveling state
system, a face recognition device, a voice alarm
system, a
Bluetooth handfree module and a mobile communication module, wherein the start / stop button, the alcohol detection device, the
ignition system, the vehicle traveling state
system, the face recognition device, the voice alarm system, the
Bluetooth handfree module and the mobile communication module are respectively connected with the
control system; the start / stop button is arranged in a vehicle start key hole; and the mobile communication module is a
global system for mobile communications (
GSM) or
code division multiple access (CDMA) communication module. The automatic driver alcohol detection device needs to perform an alcohol test on a person who starts a vehicle while determining the face features of the person; and after the vehicle is started, a phenomenon that after a person incapable of driving the vehicle starts the vehicle, a drunk driver drives the vehicle instead is prevented.