Electric vehicle and automatic warning system for electric vehicle

The invention discloses an automatic warning system for an electric vehicle and the electric vehicle with the automatic warning system. The automatic warning system comprises a vehicle body controller, an instrument controller, a drive motor controller, a batter manager and a lamplight module, wherein the battery manager acquires a fault type of a power system when the power system of the electric vehicle has a fault, generates a control command according to the fault type, and sends the control command to the vehicle body controller, the instrument controller and the drive motor controller respectively; the drive motor controller controls the drive motor in the electric vehicle according to the control command, the vehicle body controller controls the lamplight module to send warning information according to the control command, and the instrument controller controls an instrument to synchronously display the warning information according to the control command. The system can automatically send warning information to warn drivers of peripheral vehicles to adopt emergent brake or avoiding measures when the electric vehicle has the fault, and accidents are effectively avoided.