唐代佛教寺院經濟發展到了興盛階段,其經濟活動和整個社會生活有著密切的聯系。寺院大規模的水碾阚經營活動,對於國家經濟和管理制度都產生了重要影響。唐王朝水權管理制度的變遷,在國家制度建設方面有著重要意義,但在實際執行過程中其績效有限。從佛教寺院水碾阚經營的角度進行考察,表明唐代寺院經濟與當時國家制度有著密切的互動關系,而且其影響已逐步深入到社會生活的各個層面。 Buddhism Economy achieved great development in Tang dynasty, and had important touch with the whole society. At the same time, the Watermill(Shuinianwei) management of Buddhism have the great influence on economy and institution. The change of management of water resources plays a important role in institutional construct in Tang dynasty, but the performance is limited. From the point of view of activities of Watermill, we not only can know the effects between Buddhism Economy and the institution of Tang dynasty , but the influence had deepen into some fields of society in the Midiaeval Times.