1. Abnormal credit card transaction;

2. The bank card overdraft exceeds the share;

3. The bank card is frozen, one is the wrong account freezing, and the other is the judicial freezing;

4. The bank card reported the loss several times in a row and was frozen because the bank thought it was suspected of malicious loss reporting.

After the bank card is frozen, it is necessary to investigate the freezing reason at the first time to determine what caused the freezing, and different freezing reasons have different treatment methods.

The method of inquiring about the reason of bank card freezing: 1, telephone inquiry, call the service hotline of the issuing bank to switch to manual service, and ask the customer service about the reason of bank card freezing. Staff can access the internal network of the bank to inquire about the reasons why the bank card is frozen.

2. Check the outlets, bring your ID card and bank card to the counter of any outlet of the issuing bank, and ask the staff to help you check. This is the same as telephone inquiry.

3, SMS query, after the bank card is frozen, there will generally be SMS notification. Check the messages you received. Some of them are reminders you ignored, which will tell you why they were frozen.

4. The judicial department inquired that when some judicial departments freeze personal bank card property, they will have the approval of relevant institutions to freeze personal property.