If it refers to the one-card inquiry password of China Merchants Bank, the one-card inquiry password is 6 digits, which is used for business inquiry. Forgetting can be reset with withdrawal password through online banking or mobile banking. Online Banking Popular Edition: Forgotten Password-One Card Operation; Mobile Banking: My-Bank Card-Account Security-Password Query-Password Query Reset. Credit card password inquiry is mainly used for: calling the customer service hotline of China Merchants Bank, online banking login and online payment at home and abroad. The password is 6 digits. In order to use the card safely, it is recommended not to set a simple password such as six consecutive digits or the same number. If you forget to query the password or the password is locked, you can reset it by the following methods: 1. Please call the customer service hotline, enter your ID number or card number and the wrong inquiry password according to the voice prompt, and it will be directly transferred to manual assistance to help you set up. 2. After paying attention to the official WeChat of our credit card, send "Forgot to inquire password" to reset it immediately according to the prompt. 3. You can click on the Pocket Life Client, and in my-click on Quick Login-forget to check the password and reset it through your personal data.