DC digital electric energy meter is the important equipment, which may achieve the billing of DC energy transmission metering, and metering of energy conversion efficiency of DC transmission conversion current equipment. By the study of IEC61850 standard and the analysis of the function and usage of DC digital electric energy meter, this paper describes the layered information model and communication service model of DC digital electric energy meter in detail, and the DC digital electric energy meter based upon this model design has been running in the High Voltage Direct Current flexible system of Zhoushan, Zhejiang, which meet the demand of DC digital metering.