A fish attracting lamp device includes a rod with at least one fixing portion at least one lamp frame with a connecting portion fixed to the fixing portion of the rod a plurality of light sources fixed in the at least one lamp frame to produce light beams to attract fish and each being provided with a coolant input pipe and a coolant output pipe and a cooling pipe set connected to the coolant input and output pipes of the light sources. A fish attracting lamp system in accordance with the present invention includes plural such fish attracting lamp devices, each of the fish attracting lamp devices has a pipeline inlet connected to a pipeline inlet of a neighboring fish attracting lamp device, and has a pipeline outlet connected to a pipeline outlet of another neighboring fish attracting lamp device.
