According to the definition of bad information in credit records, the reasons for bad credit records may be as follows:

1. Loans such as credit cards and car loans cannot be repaid on time.

2. If the loan interest rate increases, the monthly payment will still be paid at the original amount, resulting in overdue interest.

3. Student loans are overdue.

4. Personal credit card arbitrage occurs.

5. Some "sleep credit cards" will incur annual fees even if they are not activated. Failure to pay the annual fees will result in a bad credit record.

6. The identity card or ID copy is used fraudulently by others to generate credit card arrears records.

7. Failure to pay water, electricity and gas bills on time.

8. Tax arrears and late fees, etc.

9. When providing guarantee to a third party, the third party failed to repay the loan on time.

10. The mobile phone number was deactivated and the relevant procedures were not completed, resulting in overdue payment due to monthly rent arrears.