Construction building suspension

The utility model discloses a construction building suspension which comprises a bottom plate, supporting columns are connected to the two sides of the bottom plate, a balancing weight is arranged on one side of the bottom plate, first connecting plates are inserted into through holes, a through hole is formed in the first connecting plate on one side, a first motor is arranged on the first connecting plate on one side, a screw is inserted into the through hole, and one end of the screw is connected with a rotor shaft of the first motor. The two sides of the middle of the screw are in threaded connection with connecting blocks, first supports are arranged below the connecting blocks, first string pins are inserted into the pin holes in a penetrating mode, the first string pins on the inner sides of the first supports are sleeved with first pulleys, the connecting block on one side is connected with a mounting plate, a second motor is arranged on one side of the mounting plate, and second supports are arranged