If it is a CMB credit card, there are two passwords, namely the inquiry password and the transaction password. 1. Password inquiry: the password used when calling our customer service hotline, online banking login and online payment at home and abroad; 2. Transaction password: corresponding to the two functions of credit card password and cash advance. ① Card-swiping password function: currently, it is applicable to the card-swiping transactions of domestic and overseas UnionPay line entities, excluding non-card-swiping transactions, such as card-swiping transactions, manual authorization transactions, and telephone booking of air tickets. ② Cash advance function: it is suitable for ATM to check credit card limit and ATM or bank counter to withdraw cash. Warm reminder: there will be corresponding handling fees and interest when withdrawing cash, and there are also limits on the amount.