2. Telephone customer service: dial 4008205555 to enter the IVR menu. After authentication, press "3" to open the card and password, bill delivery method and automatic repayment setting, and then press "3" to select "transaction password setting and modification"-set or modify the transaction password according to the voice prompt and activate the cash advance function or credit card password function (the old transaction password needs to be entered for verification when modifying the transaction password).
3.ATM modification: It can be modified at any ATM of China Merchants Bank, but only the transaction password can be modified at this ATM.
4. Mobile Banking: Log in to the credit card mobile banking and enter "Card Management" → "Transaction Password Management".
5. WeChat modification: use the official WeChat to reset the query password at any time. After paying attention, send "Forgot to inquire password", which can be reset immediately according to the prompt.