<p>An automotive battery cooling system is provided with a battery (2) arranged on an automotive to be used for driving; a battery case (1) for covering at least the bottom side of the battery (2); a cooling line (11) for the battery (2), which is integrally arranged with the battery case portion on the bottom side of the battery (2), to be a flow channel for flowing a cooling medium; and cooling medium lines (31, 32) for connecting with an air conditioning system to supply and recover the cooling medium to the cooling line (11) of the battery (2).</p>
