The invention discloses an information acquisition and analysis system and method for emergency charging and rescue of electric vehicle on expressway. The method comprises the following steps of: through real-time acquisition of the residual power information of the power battery, the internal fault information of the electric vehicle, the residual quantity of power battery and the internal faultinformation of the electric vehicle; collecting the external emergency charge information of electric vehicle according to user's definition; judging whether the collected information has affected thenormal driving of the vehicle according to the internal and external information of the collected electric vehicle, finally forming the real and effective results information and the need of timely feedback, and communicating with the external system in real time and transmitting the analysis result information. The method will timely feedback the emergency charging and rescue demand to the emergency rescue center, eliminate the drawbacks of the traditional manual call, and improve the safe trip experience of electric vehicle users in a round way.