The invention provides a test system for low-voltage power carrier communication equipment. The system comprises a purification power supply device, a low-voltage power distribution network channel characteristic analog device, a concentrator carrier module interface card device, an electric energy meter carrier module interface card device and a centralized control computer, wherein the purification power supply device is used for providing electric energy and matching impedance, isolating interference noise and isolating a carrier signal between the concentrator carrier module interface card device and the electric energy meter carrier module interface card device for the inside of the system; the low-voltage power distribution network channel characteristic analog device is used for simulating channel characteristics of a low-voltage power distribution network; the concentrator carrier module interface card device is used for providing power and communication connection for the communication equipment connected with the concentrator carrier module interface card device; the electric energy meter carrier module interface card device is used for providing power and communication connection for an electric energy meter connected with the electric energy meter carrier module interface card device; and the centralized control computer is used for being communicated with the concentrator carrier module interface card device to test the communication equipment, communicated with the electric energy meter carrier module interface card device to test the electric energy meter, and controlling the low-voltage power distribution network channel characteristic analog device. According to the test system for the low-voltage power carrier communication equipment, the low-voltage power carrier communication equipment can be comprehensively tested.