The utility model discloses a director is implanted to acetabular bone fracture wicresoft screw, including the arc locating piece that is used for carrying on plane and angle location to wall behind the acetabular bone, the inboard arc limit that is of arc locating piece, the shape of wall fracture face is identical behind the outward flange on arc limit and the acetabular bone, the limit is grown for the button head in the outside of arc locating piece, the fracture opposite face shape of wall is identical behind the outward flange on the long limit of button head and the acetabular bone, the both ends of arc locating piece are equipped with the locating hole respectively, two locating holes correspond the border that the lower edge was gone up to wall fracture piece behind the acetabular bone respectively, the middle part of arc locating piece is equipped with two stand pipes, a terminal surface of two stand pipes with the upper surface parallel and level of arc locating piece, another terminal surface protrusions of two stand pipes in the lower surface of arc locating piece. Use the utility model discloses, at the operation in -process, the operation was implemented to the interlude during the stand pipe was directly followed to the guide pin, and operation technique is more accurate, has shortened the acetabular bone fracture surgery cycle, improves the accuracy of performing the operation.