The utility model relates to the technical field of hinges, in particular to a hinge for a top-hung window, which comprises a sliding groove rod and a window sash fixing rod, the sliding groove rod is connected to the window sash fixing rod through a plurality of connecting rods, one end of the sliding groove rod is provided with an adjusting structure, the adjusting structure comprises an eccentric nail and a swing rod, and the eccentric nail is connected with the swing rod. The swing rod is provided with a strip-shaped hole and a first clamping piece, the length direction of the strip-shaped hole is perpendicular to the length direction of the sliding groove rod, and the eccentric nail penetrates through the strip-shaped hole and is rotationally connected to the sliding groove rod. And the sliding groove rod moves up and down by screwing the eccentric nail, so that the up-down positions of the whole hinge and the window sash are adjusted, and the installation position of the window sash is prevented from deviating.
