How many poems were included in The Book of Songs from that period to that period?

The Book of Songs, also known as Poems or 300 Poems, is the earliest collection of poems in China. It contains poems of about 500 years from the early Western Zhou Dynasty to the middle of the Spring and Autumn Period (pre 1 1 century to the 6th century), and the titles of the other six poems are Sheng Shi. The earliest work in The Book of Songs is about the Western Zhou Dynasty, which is China's realism. Zhou Gongdan wrote a book, Fu Yan Feng Yan. The book mainly collected 305 works from the early Zhou Dynasty to the mid-Spring and Autumn Period. In 2008, a batch of bamboo slips of Warring States in Tsinghua University (referred to as Tsinghua bamboo slips) recorded the defeat of Li Houqing by others.