中文摘要：

在传统中国社会里,土地是极其重要的生产资源。民间社会中的土地买卖自唐以后逐渐兴盛。到清代,已极其盛行。清代清水江下游天柱吴家塖苗族村落亦如是,其土地的买卖主要体现在经济性比较强的油树栽种、杉木、水田地,也有关乎生住殁宿的屋基和阴地。吴家塖与中国其他地区相比,土地契约买卖亦有相似的地方,均以地契的交割形式来完成土地买卖,但吴家塖的契约买卖亦有其自身的特点。通过对吴家塖地契买卖的收集、整理和讨论,有助于我们了解该地区清代社会经济的概貌。

英文摘要：

In traditional china society,Land is extremely important resource constraints.land sales has gradually flourished inTang Dynasty.Land sales,more and more of Qing Dynasty in Wujiacheng.Land deal mainly in the economy is strong in the trees grow,cedar and mizuta,Born and Death to the Housing and Graveyard.And the same of other regions,In deeds of the land delivery to sales.But,Also has its own characteristics.Deeds of the investigation,sorting and research.Helps us understand the qing dynasty social and economic compendium in Wujiacheng.