Plane tail wing

An airplane tail wing, including a stabilizing surface, and the hinge leaves, the utility model is characterized in that the stabilizing surface and the hinge leaves are fixed as a whole at the crossed position of the left and right stabilizing surfaces, two hinge leaves are penetratively hinged through a through strip, thereby to make the left and right stabilizing surfaces conflated to become a moveable detachable whole tail wing. The utility model has the advantages of that the tail wing installation is simple, the disassembly maintenance is convenient; the tail wing can be folded and disassembled, to reduce the structure transportation space size, and the transportation cost is also reduced.