There are differences between a library card and a reader card. The specific differences are as follows:

1. Different meanings: the reader's card is a card that readers must hold when borrowing books and consulting materials in the library, and it is also an important basis for the library to manage reader services; Library card, also known as library card, refers to the certificate that books can be borrowed in the library.

2. Different uses: the reader's card can be used to enter the library to read or borrow books; The library card can be used to borrow books from the library and borrow books.

Generally speaking, although they are related, they are not the same proof. I hope the above answers can help you.