1, Su Xin is the name of Su Shi in the Northern Song Dynasty and Xin Qiji in the Southern Song Dynasty. Both of them are representatives of bold poets. Gao Youtun's Preface to Chen Qinian's Hu quoted Gu Xian as saying: "The Song Dynasty has the most prosperous ci, but its style is not unique. Su and Xin are bold, Qin and Liu are charming and romantic, and each is wonderful. " Since the "Huajian School" in the late Tang Dynasty, the words are graceful and authentic, and the poems are charming and almost fixed. When Su Shi arrived, he created the bold school with bold and vigorous brushwork, expanded the scope of the theme of Ci, opened up the field of expression of Ci, broke the barrier that Ci was a colorful theme and liberated the style of Ci.
2. Qing Zhou Ji's Preface to the Catalogue of Selected Poems of Song Sijia: "Su Xin also said: Dongpo's natural interest is almost perfect ... Jia Xuan Le, there is a way to follow." Chen Qingting's "White Jade Zhai Thorn" Volume 1: "Su Xin also said that they are by no means similar: they are courageous, but Su Xin is not as good as Xin; The gas is so high that Xin Zhui can't reach Su Yuan. "