Credit card password modification: 1. Cardholders can bring their ID cards and credit cards to the counter of the issuing bank to ask the staff for help to make changes. 2. Cardholders can also carry credit cards to modify ATM machines. 3. You can also call the credit card customer service hotline and enter the manual channel to change the password. 4. Cardholders can also change their passwords by logging in to online banking or mobile banking.

Types of credit card passwords

1. Inquiry password: the password used by cardholders to inquire account information in online banking or telephone banking. Domestic card issuers usually have inquiry passwords and transaction passwords. In order to facilitate memory, it is allowed to set the same inquiry password and transaction password, but setting different inquiry passwords and transaction passwords is more conducive to credit card security.

2. Transaction password: The online transaction password is the password used by the cardholder for credit card consumption through the online trading platform. Credit cards issued in China usually do not have online transaction passwords, but use the last three codes to obtain bank authorization to complete transactions.

3. Online transaction password: The online transaction password is the password used by the cardholder for credit card consumption through the online trading platform. Credit cards issued in China usually do not have online transaction passwords, but use the last three codes to obtain bank authorization to complete transactions.