关中旧士族高门是唐代社会中一支相当引人注意的力量。本文通过对唐代关中旧士族高门通婚的分析,指出其具有与山东旧士族高门不同的通婚观念,他们在通婚中不重内婚,不重郡望,重与皇室联姻,与山东禁婚之人联姻也不是攀附心理使然;同时,关中旧士族高门的通婚观念也随时代进行着变化,出现了从初唐重家族政治背景、到中唐家族政治背景和人物并重、再到唐后期重人物的变化,这种变化又从一个方面体现了唐朝作为一个过渡时代——结束旧时代、影响新时代的特点。 The high gate of the Guanzhong old clan is a rather striking force in the Tang Dynasty society. Based on the analysis of the high door marriage in the Guanzhong clan in the Tang Dynasty, this article points out that it has a different concept of marriages than the high door of the old clan in Shandong province. They did not emphasize intermarriage, heavy honor, marriage with the royal family, At the same time, the concept of marriages in Guanzhong’s elite clan also changed with the times. From the heavy clan political background in early Tang dynasty to the political background and characters in the mid-Tang clan, In the later period, the change of heavy figures, which in turn reflects the Tang Dynasty as a transitional era from one aspect - ending the old era and affecting the new era.