Fatigue driving detection prompt method and detection prompt device

The invention belongs to the technical field of traffic safety protection alarm, and particularly relates to a fatigue driving detection prompt method and a detection prompt device. The method comprises the following steps: acquiring fatigue detection data of a driver through an infrared range sensor; judging whether the driver drives when the driver is tired or not according to the fatigue detection data; if the driver drives when the driver is tired, performing fatigue prompt through the prompt device. According to the method and the device, more accurate fatigue detection data can be acquired to accurately and timely prompt the driver so as to reduce traffic accidents.