To provide a sanitary refrigerator/freezer vehicle for transporting dressed carcass which can transport carcass uniformly refrigerated or while it is being refrigerated uniformly.

A plurality of gate-shaped frames 8 consisting of columns 9 raised along a left and a right side wall 4 of a refrigerator/freezer 2 and cross- beams 10 coupling together the tops of two columns 9 are installed at a certain spacing fore and aft, and a plurality of longitudinal beams 11 are set over the cross-beams 10 of all frames 8 at a certain spacing to the left and right, and straight rails 12 are hung down at the longitudinal beams 11 in such a way as parallel therewith, and each rail 12 is equipped with rollers 15 for a plurality of trolleys 13 having hooks 14 for hitching of dressed carcass.