The utility model provides an operation platform for installing rack, includes support frame, a plurality of bracing piece and track, is enclosed jointly by two first supporting beam and two a seconds supporting beam on the support frame, is connected with a plurality of crossbeams between two first supporting beam, be connected with a plurality of longerons between the two seconds supporting beam, top rigid coupling in the nodical department of crossbeam with the longeron of bracing piece, the bottom of bracing piece is equipped with the gyro wheel, and this gyro wheel rolls with the track and cooperates. The utility model discloses an operation platform, the support frame is propped through the bracing piece for constructor can install the rack aloft, and the support frame has a plurality of crossbeams and longeron, and stable in structure makes work progress safety. In addition, the bottom of bracing piece be equipped with the gyro wheel and with gyro wheel sliding fit's track, the continuity of the scope of operation can be guaranteed in convenient whole operation platform's removal, the efficiency of construction is high.