A transport device for transporting an upper tower of a floating wind power generator, wherein the floating wind power generator comprises the upper tower to which blades are coupled, and a lower tower detachably coupled to a lower side of the upper tower, the transport device comprising: a support body configured to support the upper tower separated from the lower tower; and a floating body to which the support body is coupled, the floating body floating on the water surface, and a coupling flange coupled to the support body is formed to protrude from an outer circumferential surface of the upper tower, the support body is coupled to the upper tower by surrounding the outer circumferential surface of the upper tower and an upper side of the support body is coupled to the coupling flange, wherein the support body comprises a first support, a second support, and a third support, the first support fixed to the floating body and covering a portion of the outer circumferential surface of the upper tower; the second support rotatably coupled to one side of the first support and covering other portions of the outer circumferential surface of the upper tower; and the third support rotatably coupled to another side of the first support and covering a remaining portion of the outer circumferential surface of the upper tower, the first support, the second support, and the third support have bolt holes formed at locations corresponding to bolt holes of the coupling flange, respectively, wherein the second and third supports (32,33) rotate with respect to the first support, such that the upper tower is inserted into the second and third supports (32,33), and when the upper tower is inserted into the second and third supports (32,33), the second and third supports (32,33) rotate with respect to the first support, such that the second and third supports (32,33) are detachably coupled to each other, wherein the upper tower is coupled to and supported on the support body and is transportable together with the floating body. a support body configured to support the upper tower separated from the lower tower; and a floating body to which the support body is coupled, the floating body floating on the water surface, and a coupling flange coupled to the support body is formed to protrude from an outer circumferential surface of the upper tower, the support body is coupled to the upper tower by surrounding the outer circumferential surface of the upper tower and an upper side of the support body is coupled to the coupling flange, wherein the support body comprises a first support, a second support, and a third support, the first support fixed to the floating body and covering a portion of the outer circumferential surface of the upper tower; the second support rotatably coupled to one side of the first support and covering other portions of the outer circumferential surface of the upper tower; and the third support rotatably coupled to another side of the first support and covering a remaining portion of the outer circumferential surface of the upper tower, the first support, the second support, and the third support have bolt holes formed at locations corresponding to bolt holes of the coupling flange, respectively, wherein the second and third supports (32,33) rotate with respect to the first support, such that the upper tower is inserted into the second and third supports (32,33), and when the upper tower is inserted into the second and third supports (32,33), the second and third supports (32,33) rotate with respect to the first support, such that the second and third supports (32,33) are detachably coupled to each other, wherein the upper tower is coupled to and supported on the support body and is transportable together with the floating body.