You can log on to the credit card website of CCB, click "Billing Points Inquiry" and enter the card number and telephone banking password to find the details of the last six issues. You can also log on to CCB's online banking, and after adding a credit card, you can check the bill details of the last 12 issues. If you call the customer service hotline, you can also reissue the bill for the last 12 issues for free. If it is earlier than the 12 issues, it will cost 5.