The utility model provides a steel -pipe column positioner, which comprises a supporting frame, the support frame is including 4 stands, 2 2 stands at diagonal angle are connected to the horizontal pole in the root, 2 piece adjacent stands are connected to the limit horizontal pole, outer horizontal pole becomes radial and welds in the stand lower half and the middle part outside, wherein 4 outer horizontal poles at the middle part constitute steel pipe support plane, 4 the piece rest pad is arranged in respectively and is constituted the steel pipe on the steel pipe support plane and support the flange, the steel pipe locating piece is installed in the rest pad top, the transverse orientation pole is installed in the stand outside with on the horizontal pole, the welding of transverse orientation rod end has the rod end board. Above -mentioned steel -pipe column positioner buries in the deposit concrete in situ second time, and expansion bolts passes the dado, and to be positioned it for the stake downthehole, and the lower extreme of steel pipe cup joints in its upper portion and amplexiforms on supporting the flange face pile body steel reinforcement cage and bury in pile foundation concrete layer and deposit concrete in situ for the second time. The utility model provides a problem that steel pipe bottom and pile bolck pinpointed in among the reverse construction method, the construction is simple and convenient, the location is accurate.