Gao Sisun was a literatus and scholar of the Southern Song period. Extant public sources on his life are limited, and details such as his native place, birth and death dates, and official career cannot be reliably established. Two of his works are included here: Shan Lu (Records of Shan) and Yan Jian (Notes on Inkstones, unannotated edition). In subject matter, Shan Lu belongs to the genre of local topography, describing the mountains and rivers, people, and historical anecdotes of the Shan region, and combining geographical record with literary value. Yan Jian centers on inkstones, discussing their forms, types, and related poems and allusions, reflecting the Song literati's taste for connoisseurship of objects. Both works are concise in style, emphasizing the compilation of sources and the examination of names and objects, and are often classified under literary appreciation. Gao Sisun's writing leans toward documentary organization and critical evaluation, and is representative of Song dynasty notes, local gazetteers, and writings on studio objects, offering reference for the study of local culture and literati life.