1. open the Jiangsu bank app on your mobile phone and click the credit card button. Click the credit card account query button in the credit card interface that appears. At this time, the system will pop up and prompt that the credit card has not been added.

2. You can click the main menu in the upper right corner, return to the main menu of mobile banking and click the Account Management button. In the account management interface that appears, click Add Account. Enter the credit card account number to be associated in the account addition interface that appears, and click Next.

3. Continue to enter the relevant information of the account, such as inquiry password and expiration date, in the interface, and click OK.

4. At this time, a prompt pops up, indicating that the mobile banking has successfully bound the credit card. The above is how Jiangsu Bank app hangs credit cards.