Constructional column steel bar reserving and positioning tool

The utility model belongs to the technical field of building construction, and particularly discloses a constructional column reinforcing steel bar reserving and positioning tool. Comprising a fixing frame detachably fixed to six reserved steel bars of the constructional column, and a rectangular structure is defined by the six reserved steel bars of the constructional column. The fixing frame is a rectangular frame, and the four corners of the rectangular frame and the two sides of the rectangular frame in the length direction are detachably connected with the six reserved steel bars correspondingly. An inner supporting plate is arranged at the top of the fixing frame, notches are formed in the four corners of the inner supporting plate and the two sides in the length direction of the inner supporting plate respectively, and the inner walls of the notches abut against the reserved steel bars. The fixing frame is fixedly connected with the inner supporting plate. The positioning device can effectively reduce