Construction method for small platform on side face of large-angle cantilever viewing platform

The invention relates to the technical field of building outer side platform construction, and provides a large-angle overhanging viewing platform side face small platform construction method which comprises the following steps that S1, a stiff framework is pre-buried and fixed, specifically, the stiff framework is pre-buried on a stand column in a building, the stiff framework comprises a longitudinal rod, one end of the longitudinal rod is fixed to a reinforcement cage in the stand column, and the other end of the longitudinal rod is fixed to a transverse rod; one end, far away from the upright post, of the longitudinal rod extends out of the lighting hole and is vertically fixed with a transverse rod; s2, a suspended formwork assembly is erected on a building top floor, and bottom formworks of the viewing platform and the corridor are connected to the bottoms of the cantilever sections of the transverse rods and the longitudinal rods in a suspended mode through the suspended formwork assembly; s3, reinforc