從歷史縱向角度看,宋代書法的發展具有明顯的時間段差異,整體上可以分爲北宋前期的繼承階段、北宋中期的創新階段、北宋後期的成熟階段、南宋前期的轉變階段和南宋後期的衰落階段。這五個發展階段既可以相互獨立,也可以相互銜接;既有不同於其他階段的明顯特點,也可以看出隱伏在内部的貫通脈絡。宋代書法有自身的創作、理論成就與審美 From a historical perspective, the development of calligraphy in the Song Dynasty has obvious time-period differences. As a whole, it can be divided into the succession stage of the early Northern Song Dynasty, the innovation stage of the Northern Song Dynasty, the mature stage of the Northern Song Dynasty, the transitional stage of the Southern Song Dynasty and the decline of the Southern Song Dynasty stage. These five stages of development can be independent or interdependent; they have distinctive features different from those in other stages and can also be found in the internal context. Song calligraphy has its own creation, theoretical achievements and aesthetic