The utility model discloses a big balcony climbing frame lower hanging protection structure for a fourth generation building, and relates to the technical field of building climbing frames, the big balcony climbing frame lower hanging protection structure comprises a lower hanging vertical rod, a
floor plate and a big balcony, the upper end of the lower hanging vertical rod is provided with an inner vertical rod, one side of the inner vertical rod is provided with an outer vertical rod, a
scaffold plate is arranged between the inner vertical rod and the outer vertical rod, and the
scaffold plate is connected with the
floor plate. Inclined struts are arranged between the outer vertical rods and the lower hanging vertical rods; on the basis that a traditional climbing frame is used, inclined struts are additionally arranged on inner vertical rods and outer vertical rods below
scaffold boards on the bottommost layer, vertical rods below the inner vertical rods sink by the height of one floor, a transverse rod and a turning plate
assembly are arranged at the bottommost part to achieve full sealing, and meanwhile temporary pulling knots are made every four meters; therefore, an integral safety protection effect is achieved from outside to inside, the appearance is neat and uniform, the interior is completely reliable, and operation of workers is safe, convenient and reliable.