1. Bring your ID card and credit card (debit card) to the issuing bank's business outlets to find a teller to inquire;

2. Call the bank customer service hotline on the back of the credit card (debit card) and run the inquiry according to the voice reminder;

3. Log on to the website of the issuing bank and run the line inquiry in the personal account;

4. Log in to the mobile APP of the issuing bank and run the quota inquiry in the personal account.