The light steel wall structure system is a new type of green, energy-saving, and environmentally friendly building structure system, which is composed of light steel multi ribbed beams and columns and a maintenance structure. It has excellent physical performance indicators, short construction period, and good insulation effect. The roof truss is composed of various light steel components combined and assembled, generally including triangular and T-shaped roof trusses, which can easily and flexibly achieve various complex roof shapes. Generally, the roof is made of colorful asphalt tiles, which have good waterproof performance, highlighting aesthetics and quality.