Abstract: In ancient times, garden railings not only played a role in safety protection, but also one of the important methods of garden landscape formation, and they were also sentiment images favored by scholars and scholars. Although Song Dynasty gardens are now rare, Song paintings provide precious picture materials for Song Dynasty garden research. The railings in Song paintings are rich in imagery, diverse in type, and elaborately drawn. They can intuitively reflect the construction level and style of garden railings in Song Dynasty, and have important research value. By referring to related books and Song paintings, the origin, classification, function and environmental landscape effect of railings were analyzed, which provides a new perspective for the discussion of Song Dynasty garden landscape and enriches the basic data research of Song gardens. At the same time, the material and form changes of the Song Dynasty and modern railings were compared to provide a reference for the design of garden railings.

Key words: Song paintings, garden railings, garden of Song Dynasty, landscape character, spatial separation, architectural ornament