An electric energy metering box belongs to the field of an electric energy metering device of a power supply system. The electric energy metering box is characterized in that a surface door includes a left surface door (20) and a right surface door (22); a box framework includes a box periphery and a meter position installing plate (8) which is disposed on the back side of the box periphery, wherein a left side plate (1), a right side plate (2), a top cover (10) and a base plate (9) are connected end to end through riveted joint technology to form the box periphery, and the front side of the box periphery is equipped with a loop of a door baffle plate (23); the box framework is divided by a vertical supporting beam (21) into a left space and a right space, and the left surface door (20) and the right surface door (22) are arranged on the front portion of the left space and the front portion of the right space respectively; and the left surface door (20) is provided with a bus switch cover (17) and a micro-break switch cover (13), the right surface door (22) is evenly equipped with multiple observation holes, and a plastic housing (4) covers each square observation hole. The electric energy metering box is firm and reliable, is long in service life, needs no surface treatment, and is easy to assemble and convenient to install.