1. Contact the customer service of the issuing bank or the bank card business department, ask the reason for freezing and seek help in unfreezing. Need identification and source of funds.
2. If the wrong freezing is caused by the banking system problem, you can ask the bank to compensate for the losses caused by it.
3. If no settlement can be reached through coordination, you can complain to banking regulatory agencies, such as CBRC and local banking regulatory bureaus.
4. You can also complain to banking associations or consumer protection agencies for help, such as China Banking Association and Consumer Council.
5. If the illegal freezing of cards causes heavy losses, you can also bring a lawsuit directly to the court, requesting a judgment to unfreeze and compensate for the losses.
6. In the course of litigation, you can apply for property preservation and unfreeze the bank card first.
7. Submit evidence to prove the losses caused by illegal acts and freezing. Keep all written records.
8. Choosing the right department to reflect the problem can usually better safeguard your legitimate rights and interests.