Abstract: The present invention relates to improvements on a cooling radiator for cooling a heating element by radiating and removing heat generated by a heating element, such as CPU. In a cooling radiator with a fan according to the present invention, which is used as a countermeasure against heat at the CPU in personal computers, etc., said cooling radiator comprises a bottom plate on which a plurality of protruding portions are formed, a fan to make air flow in and out, a driving motor to rotate the fan, a partition board to separate inflow air from outflow air, and a lid, and in a cooling radiator for cooling a heating element such as CPU, said cooling radiator comprises a bottom plate on which a plurality of protruding portions and a plurality of partition boards are provided, a fan to suck air and blow out air, a driving motor to rotate the fan, and a lid, wherein an inlet port to suck air and an outlet port to blow out air are provided on the sides of the cooling radiator.