Count. According to the query learning network, it is a seat occupation, because other things have been done during this period, unlike going to the toilet. After going to the toilet, you can quickly return to your study state, but when you eat, someone will come to find a seat for self-study, but when people are not there, books are there, which is seat occupation. 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.