MASTER CARD is a worldwide credit card organization, usually called MasterCard organization, and belongs to a non-profit organization. It is a bank card issued by a member of a financial institution in mastercard international, not directly issued by mastercard international. Mastercard international has more than 25,000 members, and most commercial banks that issue bank cards in the world are members. MasterCard is also a trademark of mastercard international. China Bank is the first bank in China to issue cards in cooperation with MasterCard.

Similar credit card organizations include: VISA (Visa), American Express Card (AE Card), JCB (Japanese enterprise), Diner's Card (Diner's Card that issued the world's first plastic payment card), and of course, China UnionPay card organization, which is very common in mainland China and Hongkong.

UnionPay cards are mainly used for domestic consumption, while Master cards and Visa cards are mainly used abroad. It is recommended to apply for more than two credit cards in different banks, preferably dual-currency credit cards (RMB/USD; RMB/Euro; RMB/HKD), one Master and one Visa, so that when traveling abroad, merchants can swipe their cards regardless of the route organized by the card.