Abstract: The present invention relates to a lighting lamp system and a power distributor used for the lighting lamp system. The lighting lamp system comprising: a plurality of lighting lamps; a main converter for converting external alternating-current power into direct-current power; a distributor provided to be isolated from the lighting lamps and supplying power for lighting to the plurality of lighting lamps by converting the direct-current power from the main converter; and a controller for controlling the operations of the lighting lamps by controlling the distributor.