The utility model discloses an electric energy meter case tag's for bar code installation appurtenance, it includes bottom plate (1) its characterized in that, and bottom plate (1) is gone up and is equipped with pillar (2), drilling (3) on the same horizontal line, and pillar (2) are the same with the distance of electric energy meter case two tag location pillars of tag bar code the for with distance between the drilling (3), the diameter of drilling (3) and electric energy meter case bar code the for two tag of tag to fix a position the diameter of pillars corresponding, the marginal position connection handle (4) that hits exactly in below of bottom plate (1), the utility model discloses simple structure, preparation convenience, application scope guangZhou, assembly rule, improvement installation effectiveness.