What is China's earliest collection of poems?

Selected Works of Zhaoming is the chief editor of the earliest existing collection of poems and essays in China, and it is a masterpiece compiled by Xiao Tongguang, who has collected the best works in the world. Xiao Tong (AD 50 1-53 1) was born in Xiangyang in the first year of Qi Zhongxing. Liang Wudi Xiao Yan's eldest son. In the first year of Tian Jian (502), Xiao Zhao made Xiao Tong the Prince. Xiao Tong was eager to learn from childhood and read Confucian classics. He is good at poetry and fu, and has collected more than 30,000 ancient and modern books. He once assembled literary scholars, selected articles and wrote books, and discussed literature and Confucianism. Before he ascended the throne, he died of illness in Zhongtong Datong for three years, and was called "Prince Zhaoming". In order to commemorate him, Xiangyang people named the first balcony across the street at the north intersection of Xiangyang City as "Zhaomingtai". He collected the best works in the world and compiled Selected Works, which was later called Zhaoming Selected Works. This is the earliest extant collection of poems and essays in China. There are 30 volumes in the book, including writers 132 people from pre-Qin to contemporary times (that is, in 526 AD) and 5 works14 (no comments). The anthology is divided into 38 categories according to style, which advocates that the standard of selecting works is "out of meditation and profound meaning", emphasizes the literary characteristics and plays a positive role in dividing the scope of literary and academic articles. Twenty volumes of Xiao Tong's original collection have been lost, and later generations compiled Prince Zhaoming.