The invention provides an electric energy meter testing device which comprises a cabinet body. The lower part of the cabinet body is vertical with ground. An included angle between the middle part of the cabinet body and the lower part of the cabinet body is 120-140 DEG. The upper part and the middle part of the cabinet body form an L-shaped member. The side surface of the lower part of the cabinet body is also provided with a power plug which is used for plugging with an external 380V power supply. The middle part of the cabinet body is provided with a drawer. The front surface of the upper part of the cabinet body is provided with the components of a pillar which is used for hanging a to-be-tested electric energy meter, a first inching button, a second inching button, a third inching button, a fourth inching button, a fifth inching button, a white-light indicating lamp, a first red-light indicating lamp, a second red-light indicating lamp, a voltage display device and a liftable cover plate. The cabinet body is also internally provided with an electrical unit. The first inching button, the second inching button, the third inching button, the fourth inching button, the fifth inching button, the white-light indicating lamp, the first red-light indicating lamp, the second red-light indicating lamp and the voltage display device are connected with the electrical unit. The electric energy meter testing device has advantages of simple structure and high testing effect.