The actual usable area of light steel structure houses is increased by about 10% -15% compared to traditional houses, and the indoor usable area is increased by more than 90% compared to traditional houses. The indoor space can be flexibly separated. Pipelines can be arranged through reserved holes in walls, floors, and roof components, with good concealment and a more aesthetically pleasing appearance. All structural components are made of high-strength galvanized steel to ensure the service life of the house. All structural components are cold-formed using precision mechanical assembly lines in the factory, with dimensional accuracy in millimeters, which cannot be compared to other structures.