1. UnionPay cards are from China. Generally, the bank card number starts with "62", "60" and "9". MasterCard is an American card, and in China, those that start with "5" belong to MasterCard.

2. UnionPay cards can only be used in UnionPay channels such as POS machines and ATM machines, while MasterCard uses foreign currency settlement channels, and the transactions between them need to be converted.

3. UnionPay is a profitable financial service organization, while MasterCard is a non-profit organization without shares.

4. UnionPay is mainly used in China and other regions, while MasterCard is mainly used in the United States and other regions.