1. Log in to online banking or mobile banking and change your password; at an ATM or automatic deposit and withdrawal machine, change your password; call the credit card customer service hotline and change your password.

2. How to change the credit card password: Change at the bank counter: To change the password at the bank counter, you need to bring the cardholder's ID card and credit card, hand it to the counter staff, and then change it with the help of the staff.

3. Please log in to the credit card website, click "Online Banking Login" and enter your ID number, query password and additional code to log in to online banking, then go to "Account Management" - "Password Management" - "Transaction Password" "Management" settings.

4. Change credit card password: Cardholders can bring their ID cards and credit cards to the counter of the card issuing bank and ask staff to help change them. You can also bring your credit card to make changes at the ATM machine. You can also call the credit card customer service hotline and enter the manual channel to change your password.

5. Forgot the Bank of China credit card password: You can set the Bank of China credit card inquiry password and transaction password through Bank of China mobile banking, Colorful Life APP, personal online banking, Bank of China outlets or by calling the Bank of China credit card customer service hotline 4006695566. The above content is for your reference, please refer to actual business regulations.

6. Open the mobile banking client of the relevant bank. Click the "Login" button in the upper left corner to display the login interface. Enter the login password and click "Login". After logging in, there are four function options at the bottom of the screen. Click "Credit Card" and the following interface will appear. Then find the "Credit Card Management" function and click to enter.