What is the earliest collection of poems in ancient China?

The Book of Songs was called "Poetry" or "Poetry 300" in the pre-Qin period, and it was China's first poetry collection. It collected 305 poems (original poems 3 1 1) from the early Western Zhou Dynasty to the middle of the Spring and Autumn Period. "There are more than 3,000 ancient poems, which are related to Confucius, and the key points have been removed ..." ("Elegant" in Historical Records is the official music of Wang Ji in the Western Zhou Dynasty, and "Ode" is the dance music for the upper class to worship the ancestral temple. This book widely reflects all aspects of social life at that time, and is known as the encyclopedia of life in ancient society, which has a far-reaching impact on future generations.