Metering type electric energy meter case relates to electric energy meter technical field, and it includes backplate, a pair of curb plate, chamber door, top cap, bottom plate, is used for installing electric energy meter's a set of electrical appliance installing plate and security alarm device, be equipped with a set of installing port and a set of louvre on the backplate, a pair of curb plate difference fixed mounting is in the both sides of backplate, the through wires hole is established respectively to top cap and bottom plate to fixed mounting is on the backplate respectively, the chamber door passes through door -hinge movable mounting on the curb plate, and the chamber door adopts transparent plastic material to make, the utility model has the advantages of reasonable design, adopt each part of different materials preparation box, greatly increased the security and the gas permeability of box, and have dangerous alarming function, fine popularization prospect and practical value have.