Credit cards don't make random bills. Cardholders don't have to worry. Bank bills are automatically settled by the system, and generally there will be no settlement errors. However, this is not absolute. After all, no matter whether people or machines make mistakes, banks are no exception. At present, there may be repeated deductions. It is recommended to verify the bill consumption details. If there is such a problem, please call customer service for feedback in time. Credit card bills are automatically settled by the system, and usually there is no mistake. However, it is not excluded that there will be repeated deductions and repeated charges.

after the credit card is issued, users need to carefully check the bill details. If it is inconsistent with the actual situation, they can call the customer service hotline for feedback in time. Generally, errors are caused by subsequent refunds. A refund has been made, but the user still needs to repay. At this time, the user only needs to contact the issuing bank, and this problem is well solved.

a credit card has a specified billing date and repayment date, and the repayment period is periodic. "billing date" refers to the date when the card issuer summarizes the accumulated outstanding consumer transaction principal, cash withdrawal transaction principal, expenses, etc. of the cardholder every month, calculates the interest, and calculates the payable amount of the cardholder.

1. The ways to send the bill are as follows:

1) Paper bill: the Conservative Party's choice, and the sending time: around the 3rd day of the billing date. It will be sent by ordinary mail to the reserved billing address.

2) E-mail bill: at the choice of the e-mail master, it will be sent to the reserved e-mail box on the second day of the billing date. As the most convenient, fastest and environmentally friendly billing member, we sincerely recommend her to you. Send the short message "4 digits after DZDTX # card number # e-mail address" to 9558 to modify it into an e-mail bill and update the e-mail address.

3) Bill SMS: an unavoidable reminder, sent on the 1th day of the billing date. Send it to the reserved mobile phone number. If you haven't received the bill within 1 days after the bill date, you can check the bill through online banking, mobile banking, WeChat banking, self-service voice, customer service hotline and other channels to avoid delaying repayment.