“元祐”是北宋哲宗赵煦的年号,从公元一○八六年到公元一○九三年。这八年的时间里,正是以苏轼为代表的苏门文人在政治上盛极而衰,但在文艺上的影响达到顶点、进而向四方播撒的时期。因而,这八年也是北宋书法史的一个关键节点。如时人曾慥《跋苏养直词翰》所说:“元祐文章绝代无,为盟主者眉山苏”(《铁珊瑚网》卷 “Yuan You ” is the Northern Song Zhezong Zhao Xu’s reign, from AD 1086 to the year 1903 AD. During these eight years, it was exactly the period when the Sumen people represented by Su Shi thrived in politics, but the clout of literature and art reached its peak and then spread to the Quartet. Therefore, these eight years are also a key node of calligraphy history in the Northern Song Dynasty. Such as when people have 慥 “postscript Su Yang Ci Han,” said: “Yuanyou article absolutely no, as the owner of Meishan Su ” (“iron coral network” volume