You don't need a card to enter Ke Qiao Library. Although you don't need a library card to enter Ke Qiao Library, you need a library card to borrow books. Self-help or manual card borrowing with my valid ID card, deposit 100 yuan. Return the card by hand with my valid ID card and library card. The borrowing period of books is 30 days, and it can be renewed 1 time before the expiration of the borrowing period, and the renewal is less than 30 days.