The utility model relates to a cable stayed anchor plate type anchor of a cable stayed bridge cable tower, which comprises a steel anchor plate, wherein the steel anchor plate is embedded inside a concrete tower post, transverse separation plates are transversely and symmetrically arranged at two side surfaces of the steel anchor plate, vertical separation plates are symmetrically arranged in the middle positions of the two side surfaces in the vertical direction, the bottom part of the steel anchor plate is provided with a bottom plate, reinforced ribs are symmetrically arranged at two side surfaces of the steel anchor plate and on the upper surface of the bottom plate in the vertical direction, a plurality of PBL shearing keys vertical to the steel anchor plate are symmetrically arranged on the steel anchor plate arranged at both sides of the vertical separation plates, anchoring ear plates extending out of the tower post are respectively and fixedly connected at both ends of the steel anchor plate, pin holes are arranged on the anchoring ear plates, connecting parts of both ends of the steel anchor plat and the anchoring ear plates are respectively provided with a side plate parallel to the vertical separation plates, a transverse reinforced plate is fixedly connected on the anchoring ear plate, and one end of the transverse reinforcing plate corresponds to the position of the transverse separation plate. The utility model has the advantages of simple structure, definite force transmission and small size, is suitable for being used for the cable stayed bridge cable tower with small tower post cross section, and has the characteristics of convenient construction, low manufacture cost, safe and reliable structure and compact and attractive appearance.