[提要]通过对近几年轻钢结构设计经验的总结，详细叙述了轻钢结构建筑系统的组成，以及主结构、墙面、屋面等各子系统的设计特点及材料，以期使更多的设计人员更深入地了解轻钢结构建筑系统。

[关键词]轻钢结构 建筑系统 主结构 屋面系统墙面系统

Through the summarize of design experience in recent years, the compose of light-weight steel structure in architecture, the design point and the material of wall system of main-structure, roof system etc. are presented. The results will provide reference for designers.

Keywords: light-weight steel structure; building systems; main-structure; roof system; wall system