Please bring your household registration book to apply for the network joint reader card of Beijing Public Library. /kloc-for minors under 0/8, the price is: Grade B: 25 yuan as deposit; Grade C: 50 yuan as deposit, with no use fee and production fee. You can also apply for a children's reader card, which can be borrowed from the children's comprehensive reading room, children's audio-visual reading room and district and county children's libraries on the first floor of the Capital Library. The price is: deposit 25 yuan, no use fee and production fee.