1, the bank counter applies for loss reporting, and the card owner brings his ID card to the issuing bank counter to apply for loss reporting. 2. Telephone loss reporting: Call the customer service phone of the bank to apply for loss reporting, and provide the ID number of the card owner. Generally speaking, this kind of loss reporting is oral and valid for only a few days. Finally, you need to report the loss at the bank counter. It's faster to report the loss by phone. You can report the loss by phone first and then go to the bank counter. 3. Loss reporting through online banking: If online banking is enabled for bank cards, some banks can apply for loss reporting through online banking.