Shi Pin is an aesthetic work of ancient Han poetry. By Zhong Rong. It is a masterpiece of literary criticism after Liu Xie's Wen Xin Diao Long. It is no accident that these two works appeared in the Qi and Liang Dynasties one after another, because they were both products of the struggle against the formal style of writing in Qi and Liang Dynasties. There is also Si Kongtu's Poetry.