The unique number representing myself on the card reading. The library card number is the only number on the library card, and it is the number on the reader card. Generally speaking, readers who hold the second-generation resident ID card can apply for a certificate by themselves. After successful application, they can borrow books with their ID card, reader's card and palm print. Readers with household registration books or social security cards, readers with general certificates for educators, foreigners, Hong Kong, Macao and Taiwan people all need to go to the service desk. Wuhan University is a key comprehensive university directly under the Ministry of Education, a national key construction university in the "985 Project" and "2 1 1 Project", and the first batch of "double first-class" universities.