PURPOSE: A foldable cart for the vehicle loading is provided, in which a space occupying the cargo area has a size corresponding to that of the loading deck. CONSTITUTION: A foldable cart for vehicle loading includes: a loading deck(10); a main hinge(31) which is prepared at the lower part of the loading deck and has the height corresponding to the that of the cargo of the vehicles and is arranged between loading decks; and a front leg and a rear leg(30) which are folded rearwardly around each main hinge; a fixing member(40) which fixes the spread front and rear legs. The rearwardly folded leg is slid to the front and then the folded leg is located within the front and rear width.