Anti-falling device and method for power construction

The invention discloses an anti-falling device and method for power construction, and relates to the technical field of power construction falling prevention. The device comprises a vehicle body and a working platform located above the vehicle body, a shear fork type hydraulic elevator is movably connected between the vehicle body and the working platform, the two opposite sides of the vehicle body are each fixedly connected with two supporting assemblies, anti-falling display racks are arranged on the upper side of the working platform, and a plurality of handrails are arranged between every two adjacent anti-falling display racks; the anti-falling display rack comprises a column body arranged on the upper side of the working platform, a bearing rotary column rotationally matched with the side portion of the column body and a clamping strip clamped to the side portion of the bearing rotary column, the handrail is fixedly arranged on the side portion of the column body, and a plurality of limiting insertion c