1. First, check the borrowing and returning records of the day, check the number of books in the library, and find the lost or damaged books.

2. Secondly, organize the reading room and bookshelves of the day, put the books scattered on the tables and chairs or misplaced back in the correct position, and arrange the books in the order of classification and numbering.

3. Finally, turn off the power supply, lighting, air conditioning and other equipment of the library, check the safety and fire prevention measures of the library, lock the doors and windows of the library, shift shifts and keys.