The invention provides a power grid operating data real-time analysis system which is characterized in that the system forms a forecasting trend according to short-term prediction data of a power grid, and with estimation result of the current operation state of the power grid being combined, carries out comprehensive analysis on the trend of the operation state of the power grid. The power grid operating data real-time analysis system provided in the invention helps scheduling personnel to grasp expected main state change information of the power grid, can effectively increase requirement for responding to the power grid operation control, and guarantees safe and stable operation.