FUEL CELL COOLING SYSTEM

There is provided a fuel cell cooling system that has: a first path through which an electrical insulating coolant, that cools a fuel cell, circulates; a second path through which a coolant, that exchanges heat with the electrical insulating coolant, circulates, and to which a radiator, that releases heat of the coolant, is connected; and a heat exchanger that carries cut heat exchange between the first path and the second path.