The invention discloses a power supply line of household appliance loads. The power supply line comprises an AC/DC (alternating current-direct current) converting module, an AC power supply bus, a DC power supply bus, at least two loads and at least two load controllers in one-to-one correspondence with the loads; the AC/DC converting module is used for providing AC to the AC power supply bus; the AC power supply bus is arranged to pass by the loads, the AC power supply bus comprises a live wire power supply bus and a null line power supply bus, the live wire power supply bus is connected to the loads through live wire power supply branch wires at positions close to the loads, and the null line power supply bus is connected to the loads through null line power supply branch wires at positions close to the household appliance loads; and the load controllers are arranged on the live wire power supply branch wires in a manner being close to the corresponding loads for controlling the electrification of the live wire power supply branch wires.