The patent of the utility model relates to a tangent tower that is used for two poles of earth vertical arrangement of special high voltage direct current circuit, including tower head and body of the tower, its characterized in that: tower head cranks arm down including a left side, cranks arm one end down and is connected with the body of the tower in a left side, the other end is vertically cranked arm with a left side in proper order, the top cross arm, right vertical crank arm and right under crank arm and be connected, the other end of cranking arm under right also is connected with the body of the tower, the plane both ends are provided with a ground wire support respectively on the cross arm of top, the plane is provided with V cluster with the vertical junction of cranking arm in a left side and hangs the point under the cross arm of top, and the plane is provided with the 2nd V cluster with the vertical junction of cranking arm in the right side and hangs the point under the cross arm of top, be provided with the 3rd V cluster on the horizontal material at the vertical middle part of cranking arm in a left side and hang the point, be provided with fourth V cluster on the horizontal material at the vertical middle part of cranking arm in the right side and hang the point, going up utmost point wire and hanging the setting on closed tower window upper portion, the anus wire hangs the setting in closed tower window lower part. The utility model discloses the structure symmetry, the atress is more reasonable, can wide application in special high voltage direct current line corridor crowds the area.