唐宋时期我国政治重心发生着重大变迁,作为中国传统政治中心的关中、洛阳地区趋向衰落,国都东迁已经成为历史发展的趋势。定都关中的经济、政治弊端早在唐代就引起一些有识之士的忧虑与警示,而北宋定都开封虽然借助了东南漕运之利,有助于宋初政权的稳定,但军事地理形势上的先天缺陷又成为靖康之难中汴京迅速陷落的重要原因。在民族战争频繁激烈的南宋时期引起一大批政治家、军事家的积极响应,迁都关陕、襄邓奏议在南宋前期曾经是确保社稷安全、进而恢复中原的中兴良策,遗憾的是最终都被束之高阁。反思唐宋时期的迁都之议对今天全面的认识历史上的定都与迁都的成因有很大的启发。 In the Tang and Song Dynasties, the political center of gravity of our country changed greatly. As the traditional Chinese political center, Guanzhong and Luoyang areas tended to decline. The eastward movement of the capital city has become a trend of historical development. The economic and political malpractices in Guanzhong have caused worries and warnings from some people of insight as early as the Tang Dynasty. Although the Northern Song Dynasty was capitalizing on the benefit of Southeast shipping, Kaifeng helped to stabilize the Song regime, but the military and geographical situation On the birth defects have become Jingkang in Beijing in the midst of an important reason for the rapid fall. During the Southern Song Dynasty where the ethnic war was fierce and intense, a large number of politicians and militarists responded positively to the relocation of the capital to Shaanxi Province. In the early period of the Southern Song Dynasty, Xiangtang played a very important role in the restoration of Central Plains, and regretted that in the end, Be shelved. Reflections on the move of the capital during the Tang and Song dynasties have great inspiration for the comprehensive understanding of the causes of the capital settlements and the capital relocation in the past.