The way of scenario simulation is used to create a driving environment in the emergency evacuation and the questionnaire investigation. The Miriam ECG are used to verify the validity of the driving environment in the emergency evacuation from subjective and objective aspects. Based on the SimWorld driving simulator, the research is conducted on three kinds of Perception Reaction Time (PRT) under both normal situation and the emergency evacuation situation: the PRT under the sudden situation, the PRT during acceleration and the PRT during deceleration.