This paper discusses the garden construction process of houses,stairs and pavilions by creating three-dimensional garden structure drawings under CAD expert mode,based on the garden construction's plan design and construction technology parameters,guided by three-dimensional structure drawings in fixed-point line,foundation,pillar,crossbeam,floor,roof of the pavilion and etc. In the guide of the construction,two-dimensional and three-dimensional structure drawing are combined,showing that,as the designer,th...