A cooling system for an LED fishing lamp, comprising a fishing lamp support structure (6), a fresh water circulating system (2) and a seawater cooling system (5) the fresh water circulating system (2) comprises one or more LED lamps (1), a water pump (3), a water pipe (15) and a heat exchanger (4) the LED lamps (1) are connected via the water pipe (15) fresh water flows through a radiator (21) and a cooling chamber (13) and takes away the heat generated by the light source, and flows back to the cooling chamber (13) after being cooled at the heat exchanger (4) the seawater cooling system (5) comprises a water pump (22), a water pipe (15) and a heat exchanger (4) the heat exchanger (4) is provided with a seawater inlet (18) and a seawater outlet (16) thereon and the water pump (22) supplies seawater to the heat exchanger (4) via the seawater inlet (18), cooling the fresh water, and allows the cooled fresh water to flow out through the seawater outlet (16) and back to the ocean. The cooling system of an LED fishing lamp combines a fresh water circulating system (2) with a seawater cooling system (5) to cool a high-power LED fishing lamp, improving heat dissipation efficiency, maintaining the temperature of the LED fishing lamp in a normal use temperature range, while avoiding the problems of lamp salt accumulation and corrosion, extending the service life of the lamp.Linvention concerne un système de refroidissement pour une lampe de pêche à DEL, comprenant une structure de support de lampe de pêche (6), un système de circulation deau douce (2) et un système de refroidissement à leau de mer (5) le système de circulation deau douce (2) comprend une ou plusieurs lampe(s) à DEL (1), une pompe à eau (3), un tuyau deau (15) et un échangeur de chaleur (4) les lampes à DEL (1) sont connectées via le tuyau deau (15) leau douce sécoule à travers un radiateur (21) et une chambre de refroidissement (13) et évacue la chaleur générée par la source de lumière, et retourne dans l
