Book drifters are called drifters. Book drifters put the books they no longer read on specific labels and put them in public places such as park benches, railway station waiting rooms and squares. For others to read. After reading it, the book picker will put the book in a public place in the same way according to the label instructions, and so on.

Under the background of reading and caring for the whole people, book drifting makes reading forms more diverse, embodies humanistic care, enriches people's leisure time, strengthens interpersonal communication, realizes the enjoyment of resources, saves social resources and promotes the recycling of book resources.

With the development of computer and Internet, book drifting is no longer limited to putting books in a fixed place, which promotes the popularization of book drifting, allows more people to join in book drifting, and promotes the development of national reading and national quality. Under the background of * * * enjoying the economy, resource sharing has been accepted by more people, and people's awareness of sharing has been continuously improved, which coincides with the original idea of Shupiao.

At present, the book drifting system has the characteristics of diversified drifting forms, diversified participants, diversified book classification and low return drifting rate. Book drifting system is not only limited to simple book drifting, but also can be used for users to publish and retrieve books. It is also a platform for sharing knowledge and communicating with drifting friends.