The invention relates to a method for realizing the synchronism of statistical line loss rates of a power grid. The method comprises the following steps: mounting electricity meters at electric quantity counting points of the power grid, transmitting the data collected by the electricity meters to a power consumption information collection system by a GPRS wireless network, extracting the data in the power consumption information collection system to a statistical line loss rate calculation database, setting a calculation object and a calculation data before the calculation, and then calculating statistical line loss rates according to a set result. By implementation of the above-mentioned technical scheme, the calculation synchronism of the statistical line loss rates of the power grid is realized, the real statistical line loss rates are reduced, and accurate reference is provided for line loss treatment and treatment decision. The method improves the pertinence of line loss treatment, reduces the fund investment of the line loss treatment and shortens the decision making time of the line loss treatment.