本文将敦煌文献、黑水城文献和清代民国四川龙泉驿文献中的土地买卖契约文书进行对比性的研究,既各个梳理它们在形式和内容以及法律精神上的同异,也对比发现其中各自蕴含的丰富社会、经济、司法信息,最终在对比中见证我国从中古到近代,民间土地买卖契约的发展进程轨迹。 This article compares Dunhuang literatures, Heishuijiang literatures with land contracts in the literature of Longquanyi in Sichuan in the Qing Dynasty in the Republic of China. It not only sorts out their similarities and differences in form and content as well as legal spirit, but also finds their implication Enrich the social, economic and judicial information, and finally witness the comparative development of the track of the development of the contract of private land sale in China from the Middle Ages to the modern times.