It's free. According to the public information of Xiamen Jimei Library, it is open free of charge all year round, and you need to make a real-name online appointment before entering 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.