The invention provides a six-dimensional reinforcement cage supporting and adjusting device. The six-dimensional reinforcement cage supporting and adjusting device is provided with a frame body, a main driving motor, a main screw rod, a main screw sleeve, a bearing beam and at least one six-dimensional support adjusting mechanism which is assembled on the bearing beam; the frame body is provided with a bearing seat, the main driving motor and the main screw sleeve are fixed on the bearing seat, the main driving motor drives the main screw rod to rotate, the main screw rod is assembled on the main screw sleeve, and the other end of the main screw rod is fixedly connected with the bearing beam; the six-dimensional supporting adjusting mechanism fixedly sleeves the bearing beam; the six-dimensional supporting and adjusting mechanism is provided with a disc, a first supporting part, a second supporting part, a third supporting part, a fourth supporting part, a fifth supporting part, a sixth supporting part, a fixed sleeve, a movable sleeve, a gear plate, a driving gear and a second motor; and the first supporting part, the second supporting part, the third supporting part, the fourth supporting part, the fifth supporting part and the sixth supporting part are uniformly distributed on the disc. According to the six-dimensional reinforcement cage supporting and adjusting device, a reinforcement cage can be supported or corrected.