The basic functions of China Merchants Bank's credit card are the same, such as credit card consumption, online payment at home and abroad, cash advance, installment payment, credit card points, accumulated credit, and interest-free period of up to 50 days. For different credit cards, different offers and promotions will be launched from time to time. Due to different personal preferences, I suggest you choose according to your own preferences. For details of the credit cards currently launched by China Merchants Bank, please log on to the credit card website and click "Do Card".