The utility model belongs to electric energy meter equipment field especially relates to an electric energy meter combination convenient to dismantle. Including the electric energy meter and be used for installing the electric energy meter box of electric energy meter, the back of electric energy meter is provided with the recess, the recess is the back of triangular distribution at the electric energy meter, be provided with the cassette that sets up with the groove phase cooperation on electric energy meter box's the bottom plate, the cassette is including fixed setting extension and perpendicular clamping part that sets up in the extension top on the bottom plate, the top of clamping part is triangle setup. Compared with the prior art, the utility model discloses an add on the back of traditional electric energy meter and electric energy meter box's bottom plate and establish the recess and the cassette of mutually supporting and setting up, made things convenient for its dismantlement, simultaneously, utilize its triangle -shaped's overall arrangement, improved its fixed intensity, and then guaranteed that it does not take place the skew when using, the utility model discloses simple structure, processing convenience, positive this electric wire netting are fit for popularizing and applying on a large scale when changing the electric energy meter on a large scale.