Suspension type steel structure stair with protective structure

The invention relates to the technical field of building construction, in particular to a suspension type steel structure stair with a protective structure, which comprises a first fixing plate and a second fixing plate, a plurality of connecting plates are fixed between the first fixing plate and the second fixing plate, and guardrail assemblies are arranged on the surfaces of the first fixing plate and the second fixing plate. A lifting traction piece is arranged at the bottom of the guardrail assembly, supporting columns are fixed to one end of the first fixing plate and one end of the second fixing plate, loudspeakers and inductors are arranged on the surfaces of the supporting columns, and mounting fasteners are arranged between the loudspeakers and the supporting columns; the suspension type steel structure staircase with the protection structure has the beneficial effects that the loudspeaker and the sensor are additionally arranged on the suspension type steel structure staircase with the protection s