The invention provides a quick-mounting type electric energy meter and an electric energy meter box. The electric energy meter box comprises a box body, meter racks, electric energy meters, snap boards and terminals. The front end of the box body is provided with a box door. The box door is provided with observing openings which correspond with positions of the electric energy meters. Each corner at back end of the box body is provided with a mounting pad. The back end of the box body is also provided with meter rack mounting troughs for mounting the meter racks, wire holes, first lead boards, second lead boards, third lead boards and lead baffle boards. The quick-mounting type electric energy meter and the electric energy meter box have functions of realizing quick mounting, improving mounting efficiency and wiring efficiency of the electric energy meter and the electric energy meter box, preventing a problem of error wire connection, improving safety, reducing manpower wastage, realizing higher speed and higher convenience in mounting or emergency repairing of the electric energy meter, and improving working efficiency of a power grid.