The utility model discloses a many high -rise assembled steel structure installation bases, comprises a frame, the frame upper end is provided with the apron, the frame side is provided with mountingpanel and reference column, the frame the apron with be provided with a plurality of mounting holes on the mounting panel, be provided with a plurality of mounting grooves on the frame inner wall, themounting groove includes mounting groove no. 1 and mounting groove no. 2, install baffle no. 1 in the mounting groove no. 1, install baffle no. 2 in the mounting groove no. 2, a baffle draw the baffle is provided with the filling block between two, the filling block includes filling block no. 1 and filling block no. 2. Beneficial effect lies in: many high -rise assembled steel structure installation bases can realize installing the how high -rise assembled steel construction building pillar of the multiple different length of sides, need not to be equipped with the mounting base of multiple model, the range of application is wide, the practicality is good.