The invention discloses an embedded auxiliary patrol inspection system based on a power grid dispatching control system and a method thereof. The patrol inspection system is mainly composed of a datacollection server, a man-machine interaction workstation and a data processing server. An patrol inspection task can be automatically executed through the manual triggering or a preset period, checksthe stations one by one according to the preset patrol inspection projects, finds out the measurement abnormality, state abnormality, working condition abnormality and other abnormalities meeting thespecified judgment conditions in the specified or all stations, records the patrol inspection time, the related measurement values, states and abnormal conditions, and summarizes to generate a patrolinspection report which supports the comparison and display of any two patrol inspection records. The patrol inspection system can make up for the defects of the traditional manual patrol inspection,assists the scheduling monitoring personnel in comprehensively mastering the operation condition of the power grid, guarantees the safe and reliable operation of the power grid, reduces the daily patrol inspection work pressure of the monitoring personnel, and improves the work efficiency.