1. Log in to online banking or mobile banking and change the password;
2.ATM or ATM, change the password;
3. Call the credit card customer service hotline and change the password.
Credit cards have two passwords:
1, password inquiry: login to bank online banking+online payment to confirm transaction sharing;
2. Transaction password: ATM cash withdrawal (cash withdrawal function is required)+credit card transaction sharing (credit card encryption function is required).