The most direct way to check the number of credit cards in your name is through your personal credit report. This report details all your credit card information, including number, processing time, usage and credit limit. The following are the specific steps for inquiry:

1. First, you need to log in to the official website of the Credit Reference Center of the People's Bank of China for online operations. Click "Register", fill in personal information such as name, ID type and number, and complete identity verification. After applying, you will receive a text message containing an activation code to activate your account before continuing.

2. After activating the account, you will usually receive a text message containing the query code the next day after submitting the query application. Use this query code to log in to the website and you can see your personal credit report, including credit card related data.

3. In addition to online inquiries, you can also choose offline methods. Bring the original and copy of your ID card to the designated credit inquiry outlet to fill out the "Personal Credit Report Inquiry Application Form" and submit it to the staff for inquiry.

Credit card is a convenient non-cash payment tool that allows consumers to overdraft consumption within a certain limit, and the bank will settle with the merchant during settlement. Knowing the number of credit cards in your name can help you manage your personal finances and maintain a good credit record.