You can't buy food with the book card of Qingdao Bookstore.

Book card is a consumption pattern similar to gift card. You can buy books, stationery, audio-visual products and other commodities in the book city. However, the library card is not a general consumption card, and can only be used in the book city, and other commodities such as food cannot be purchased.

If you need to buy food in the bookstore, you can use cash or other payment methods. In addition, there are some restaurants, cafes and other places in the book city that can provide food and drinks.

In short, if you want to buy food, I suggest you use other payment methods instead of books and cards.

Supplementary note: Qingdao Book City is a comprehensive cultural industry enterprise integrating book sales, cultural activities, catering and entertainment. Rich in books and perfect in service facilities, it is one of the famous cultural sites in Qingdao.