The evaluation of the operation status of the smart meter includes the reliability analysis, the failure analysis and the reliability life expectancy of smart meter.To solve the inevitable problems above, recounting and comparisons are arranged to algorithms that are applied to quality evaluation of smart meter、anomaly analysis and fault prediction of smart meter and life prediction of smart meter.The latest research and development of technology of smart meter operation status are introduced. The necessity, feasibility and improving direction of developing evaluation technology of smart meter based on Multi-source data fusion technology are also discussed．