The　objective　is　to　prevent　fatigue　driving　and　to　reduce　traffic　accidents.　We　analyzed　the　risks,　characteristics,　causes,　and　domestic　and　international　status　of　fatigue　driving　detection　method.　We　adopted　risk　assessment　and　analyzed　electroencephalography,　electrocardiography,　pulse　wave　signal,　and　other　physiological　signals.　According　to　our　study,　signal-based　fatigue　driving　detection　method　can　prevent　fatigue　driving　and　reduce　traffic　accidents　effectively　and　timely.　©　2015　Taylor　&　Francis　Group,　London.