This is the cursive scroll of Huang Tingjian's book Li Bai Nostalgia. Send the county yuan to join the army. " According to Shen Zhou, a painter and calligrapher in the Ming Dynasty, this volume was written by Huang Tingjian after he was relegated to central Guizhou during the reign of Shao Sheng (A.D. 1094- 1098), and it is a masterpiece of cursive script in his later years. As Shen Zhou said in the preface and postscript of the poem: "The greatness of calligraphy in the valley hides the truth of his later years (Huai Su). This brushwork is superb, called' Cao Sheng'! " At this time, Huang Tingjian's cursive art has reached the point of perfection. Commenting on this post, Zhu Yun said: "This scroll is full of truth, and abortion is almost wonderful." The calligraphy of this poem won the free and easy charm of Zhang Xu and Huai Su's cursive script, and it became a school of its own. It is a masterpiece of Huang Tingjian's cursive script, which is tight, fine, powerful and vigorous. Part of the work is shown in the figure: