Fatigue driving warning method and device

The invention discloses a fatigue driving warning method and device, and the method comprises the steps: 1, collecting a brain wave signal of a driver in real time through a brain wave sensor, and collecting the facial features of the driver in real time through an image sensor; 2, whether the driver is in a fatigue driving state or not is judged and detected on the basis of the collected brain wave signals and facial features of the driver; and step 3, if the driver is judged to be in the fatigue driving state, uploading the state of the driver to a service desk, notifying the driver of parking and resting by a telephone of the service desk, and giving out an alarm sound through an audio module to warn the fatigue driver. The fatigue state of a driver is collected and judged through the image sensor and the brain wave sensor, the fatigue driver is intervened and warned through alarm sound sent by the audio module, motor vibration and fan blowing, meanwhile, the state of the driver is uploaded to a service de