Yes, if you want to return the card, the money can be refunded. The deposit refund policy of Capital Library is as follows:

As long as you return all the books, the original 100 is called deposit, because you are afraid that you will be mortgaged if you don't return the books. You can return them with your ID card and library card, and the procedure is simple and quick.

The specific refund amount may be slightly different according to the actual situation. It is recommended to consult the customer service of Capital Library.