Abstract: According to Si Maqian,there were 3000 poems in Pre-Qin Dynasty,and nine of the tenth were deleted by Confucius.Based on historical records and unearthed literature,we can determin that the number of unofficially selected poems from the Western Zhou Dynasty to the Spring and Autumn Period were less than 30.Most of the 104 unofficially selected poems in Mu Gen Tie were not poems in the period of The Book of Songs.Most of the unofficially selected poems we have found today were not deleted from The Book of So...