The staircase structure of a light steel villa can be divided into two parts: the staircase wall and the step beam. The staircase wall consists of three parts: columns, top guide beams, and bottom guide beams. First, let’s take a look at the staircase constructed with the main steel frame. The specific construction steps are: assembling the staircase wall and step light steel skeleton → assembling the staircase wall → assembling the step → installing the structural plate.