北宋中期,西北边疆由于西夏的建立,形势严峻,随着宋朝军队对西夏的战争的几次失利,宋改变了对夏积极控制和攻势的战略,而采取了比较务实的守势战略,本文主要对北宋对夏守势战略的相关问题进行分析。 In the middle of the Northern Song Dynasty, due to the establishment of the Western Xia State, the situation in the northwestern frontier was grim. With the defeat of the Song dynasty by several defeats in the war on Xixia, Song changed the strategy of active control and offensive against Xia in summer and adopted a more pragmatic defensive strategy. The Northern Song Dynasty analyzed the issues related to the strategy of keeping the summer.