Later generations called it Qianchibi Fu and Houchibi Fu, which are not only famous works in the history of China ancient literature, but also famous calligraphy works.
Su Shi was demoted 1082. He visited Chibi near Huangzhou twice in autumn and winter and wrote these two poems.
His poems on the red wall reflect his thoughts and feelings at this time. The full name of Yan Zhenqing's calligraphy ink "Sacrificing a Nephew" is "Sacrificing a Nephew and Giving a Praise to Doctor Ji Wenming". Base paper, 28.8 cm long. 75.5 cm wide, ***234 words (more than 30 words painted).