The invention discloses an intelligent alternating method and system for an electric energy metering device based on big data clustering analysis, and the method comprises the steps: obtaining a plurality of historical comprehensive evaluation scores of a plurality of batches of electric energy metering devices, carrying out the distributed storage of the plurality of historical comprehensive evaluation scores, and generating a big data warehouse; Extracting a plurality of pieces of data from the big data warehouse, and performing clustering analysis on the plurality of pieces of data according to a preset rule; Generating an intelligent alternating strategy according to the clustering analysis result; Calculating to obtain a comprehensive evaluation score of the electric energy metering device of the to-be-confirmed batch, and obtaining an alternating instruction of the electric energy metering device of the to-be-confirmed batch according to the comprehensive evaluation score and theintelligent alternating strategy; According to the method and the system, confirming the alternate strategy based on the operation state of the electric energy metering device, more reasonable use ofthe electric energy metering device is guaranteed, the electric energy metering device in a good operation state is prevented from being alternate, and the situation that the alternate period is notreached but the state is poor can be timely found.