Three ways to make an appointment. On-site seat selection, website reservation, WeChat reservation. Selection and booking methods. Starting from 6 o'clock every day, readers can reserve seats for the same day or the next day. After the reservation is successful, readers can use the seat until the day is closed. Readers who have made a successful reservation have the priority to use the corresponding seats, and readers who have not selected seats or selected seats are invalid should give way to readers who have the right to use seats. There are three ways to make an appointment. 1, on-site seat selection, seats for the day, and booking machines for each floor. 2. Booking tickets on the website, seats for the same day and the next day. 3. Make an appointment with WeChat, take seats on the same day and the next day, and pay attention to the official WeChat account of Central South University Library.