This　paper　takes　traffic　safety　as　the　principle,　aided　by　advanced　dynamic　eye　instrument,　and　under　the　condition　of　simulating　the　emergence　of　various　kinds　of　accidents,　regarding　measuring　the　psychological　and　physiological　reflection　at　the　PF　time　of　evacuating　of　people　as　the　means,　through　computer-assisted　analysis,　deals　with　the　data　collected.　This　paper　investigates　FP　the　importance　of　information　guidance　and　the　rationality　of　position　setting　under　the　urgent　accident　situation,　putting　forward　reasonable　information　guidance　setting　principle　to　solve　the　problem　of　double-quick　evacuation　for　people　in　large-scale　assemblies　and　urgent　accidents,　thus　reducing　people＇s　injuries　and　casualties.　Finally,　through　studying　people＇s　psychological　and　physiological　reflections,　a　new　research　approach　is　put　forward　to　study　traffic　safety.