The purpose of the library’s keep quiet sign

The purpose is to keep quiet.

The library is a place where everyone reads and studies and is required to keep quiet, so the purpose of the library’s keep quiet slogan is to keep everyone quiet.

Libraries are institutions that collect, organize, and store books and materials for people to read and refer to. Libraries appeared as early as 3000 BC. Libraries have the functions of preserving human cultural heritage and developing information resources. , participate in social education and other functions.