Prefabricated staircases are one of the most important elements of industrial buildings. The complete construction procedures aredemonstrated, including the manufacture of the component, the transportation, the installation in the field, and the concrete placing of stair landing. The prefabricated staircase components are industrially manufactured in the plants, and are transported to the field by the flat-bed trailer. The waist slab and the steps beam are connected by sliding support made by tetrafluoroethylene plate, and are installed with extruded polystyrene between the descending ladder and in the expand joint between steps beam. Expansive concrete is placed to form a stair slat. By further comprehensive consideration, it is evident that prefabricated monolithic staircases are suitable for large-scale application.