Light gauge steel structure building:elegant appearance, color diversity, resistance to atmospheric corrosion insulation sound-retardant, high space utilization, short construction period, low project cost. Wide range of applications such as all kinds of industrial plants, supermarkets, warehouses, exhibition halls, stadiums, aircraft depots, airports, villas and so on. Due to the unique architectural system of light steel structure, the design and construction of lightning protection for this kind of building and common brick-concrete structure and frame structure are greatly different.