A test object carrying device for use in inspecting test object appearance comprising: a forward conveying means for conveying the test objects in a forward direction along a conveyance plane and a returning means (22a, 22b) for conveying the test objects in the direction opposite to that of the forward conveying means along the conveyance plane; a back/front reversal means for turning over the front and back surfaces of the test objects being conveyed by the forward conveying means and supplying the test objects to the returning means (22a, 22b); the back/front reversal means comprising: a first drum (231 a, 231 b) for rotating and conveying the test objects being conveyed by the forward conveying means while holding the test objects on the peripheral surface thereof; and a second drum for rotating and conveying the test objects being conveyed by the first drum (231 a, 231 b) while holding the test objects on the peripheral surface thereof; characterized in the returning means (22a, 22b) being disposed in parallel on the right and left of the forward conveying means, a direction in which the forward conveying means and the returning means (22a, 22b) are arranged being perpendicular to the conveying direction of the forward conveying means and the returning means along the conveyance plane of the forward conveying means and the returning means, and at least one of the first drum (231 a, 231 b) and the second drum being structured so that the test objects are shifted in a direction parallel to the direction in which the forward conveying means and returning means (22a, 22b) are arranged by rotating and conveying the test objects while holding them on the peripheral surface thereof. a forward conveying means for conveying the test objects in a forward direction along a conveyance plane and a returning means (22a, 22b) for conveying the test objects in the direction opposite to that of the forward conveying means along the conveyance plane; a back/front reversal means for turning over the front and back surfaces of the test objects being conveyed by the forward conveying means and supplying the test objects to the returning means (22a, 22b); the back/front reversal means comprising: a first drum (231 a, 231 b) for rotating and conveying the test objects being conveyed by the forward conveying means while holding the test objects on the peripheral surface thereof; and a second drum for rotating and conveying the test objects being conveyed by the first drum (231 a, 231 b) while holding the test objects on the peripheral surface thereof; characterized in the returning means (22a, 22b) being disposed in parallel on the right and left of the forward conveying means, a direction in which the forward conveying means and the returning means (22a, 22b) are arranged being perpendicular to the conveying direction of the forward conveying means and the returning means along the conveyance plane of the forward conveying means and the returning means, and at least one of the first drum (231 a, 231 b) and the second drum being structured so that the test objects are shifted in a direction parallel to the direction in which the forward conveying means and returning means (22a, 22b) are arranged by rotating and conveying the test objects while holding them on the peripheral surface thereof. a first drum (231 a, 231 b) for rotating and conveying the test objects being conveyed by the forward conveying means while holding the test objects on the peripheral surface thereof; and a second drum for rotating and conveying the test objects being conveyed by the first drum (231 a, 231 b) while holding the test objects on the peripheral surface thereof; characterized in the returning means (22a, 22b) being disposed in parallel on the right and left of the forward conveying means, a direction in which the forward conveying means and the returning means (22a, 22b) are arranged being perpendicular to the conveying direction of the forward conveying means and the returning means along the conveyance plane of the forward conveying means and the returning means, and at least one of the first drum (231 a, 231 b) and the second drum being structured so that the test objects are shifted in a direction parallel to the direction in which the forward conveying means and returning means (22a, 22b) are arranged by rotating and conveying the test objects while holding them on the peripheral surface thereof.