See which department sealed the credit card and whether there are any tax problems that are usually missed. Be cautious in handling credit card business. It is best to provide relevant materials after checking with the bank.

Reasons for freezing credit card:

1. Incorrect channel for card handling: If information is submitted through an intermediary, the card will be blocked directly as long as it is suspected.

2. Single card swiping location: repeat the operation on the same POS machine for several months.

3. The credit card limit is incorrect: for example, the credit card limit 10000 will be swiped on the pos machine once activated.

4. Card swiping frequency: swiping the same card on the same low-rate POS on a fixed date every month takes up bank funds.

5. Doubtful card swiping time: there are transactions beyond normal business hours, such as transactions in the wholesale market after work.

6. Doubtful consumption amount: too many people use Alipay as a payment agent in a short time, such as CITIC's single highest 1000, multiple transactions of 998,995,899,999 and other similar figures.

7. Integer single transaction: suspected of cashing out.

8. day trading: The same card has transactions at two or more terminals within 30 minutes, whether successful or not, including balance inquiry.

9, the public security organ or the court closed the case.