The invention relates to an IGBT driving overcurrent fault monitoring method and an IGBT driving overcurrent fault monitoring device. The IGBT driving overcurrent fault monitoring method comprises thesteps of: monitoring an actually measured voltage between a collector and an emitter of an IGBT in real time; determining a fault level of the IGBT according to the actually measured voltage, whereinthe corresponding fault level corresponds to a set voltage range; and sending out an overcurrent alarm signal corresponds to the fault level and at least sending out overcurrent alarm signals twice when monitoring that the actually measured voltage is in the voltage range corresponding to the fault level each time at the fault level. The IGBT driving overcurrent fault monitoring method and the IGBT driving overcurrent fault monitoring device realize the whole-course monitoring of the IGBT in the overcurrent fault alarm range through processing logic signals by means of software control without changing the detection environment of hardware, avoid the occurrence of false alarms caused by adopting the international common methods, improve the reliability and precision of IGBT overcurrent fault detection, and have higher reference value.