The Book of Songs is China's first poetry collection, with 305 poems in total. Is it correct to call it 300 Poems?

Correct.

The Book of Songs is China's first collection of poems. The Book of Songs is divided into three parts: 160, elegance (105) and fu (40). * * * 305 poems with an income of about 500 years from the early Western Zhou Dynasty to the mid-Spring and Autumn Period. In addition, there are six songs with only titles and no content.