Generally speaking, it is nothing more than reading and studying in the library, but now the mobile phone computer is very convenient, not only to watch online classes, but also to find all kinds of knowledge, so fewer people go to the library.
A library is an institution that collects, sorts out and collects books and materials for people to read and refer to. As early as 3000 BC, libraries appeared. Library has the functions of preserving human cultural heritage, developing information resources and participating in social education.