1. Credit cards cannot be used to repay loans. Credit cards cannot be directly used to repay loans, because it is an act of cashing out. Once this behavior is found, the card will be locked directly and blacklisted. It will be very difficult to get a license or a loan in the future.

But you can withdraw the money from the credit card directly, or you can return the money from the credit card by transfer. Both methods are allowed by the bank.