Call directly to ask, every bank calls customer service, and the customer service staff inquires whether your ID card has been used for a credit card. This method is slow and requires every bank to make a phone call. Not recommended to you.

Now everyone uses the credit information system, and everyone can check their own credit information reports. They can register their own credit information system (with their own ID number), check their own credit information report online, or print their own credit information report at the credit information management center of the local People's Bank (with ID card required).