Based on all-round marketing management philosophy，quality monitoring system of power supply service was proposed，an index system of quality evaluation for power supply service was constructed and the processes of abnormal work orders were presented in detail.From the technical viewpoint，the implementing process of system was expounded.Finally，the comparative analysis through system application was carried out，and it shows that the system can indeed timely trace marketing operating results online and propose early warning information，correct timely，make the evaluation to service quality.