Power distribution box power monitoring system and power distribution box power monitoring method

The invention discloses a power distribution box power monitoring system and a power distribution box power monitoring method, and relates to the technical field of power monitoring, and the system comprises an electric quantity metering module which is used for collecting the electric quantity outputted by a power distribution box in real time to obtain the power consumption data of a current load; the main control module is used for receiving the electricity consumption data sent by the electricity metering module and processing the electricity consumption data to obtain actual electricity consumption information; the power supply module is used for supplying power to the main control module; the power supply module comprises thermoelectric power generation sheets used for generating voltage based on the Seebeck effect and a low dropout voltage stabilizer used for carrying out voltage reduction processing on direct current voltage output by the thermoelectric power generation sheets, and the thermoelectric