I don't know which bank's credit card the owner applied for, but generally speaking the way to inquire about each bank's bill is pretty much the same, generally speaking there are several ways to inquire:

1. counter inquiry, go to the bank to find the staff, report the card number and ID card number to inquire about.

2. Use the ATM machine query, the card will be inserted into the ATM machine inside the query.

3. Online banking inquiries, generally log into the credit card center of each bank, log in to the personal system can be inquired.

4. Telephone inquiries, just call the bank's customer service hotline, you can find out.

5. If you want to know the details of your credit card spending, you can also get your credit card spending index, credit card transaction behavior, credit card spending characteristics and other information in WeChat's Card Review.