Combination card credit card refers to a combination mode of bank card issuance. The combination method is flexible, which can be single-currency UnionPay, single-currency VISA, single-currency MasterCard or single-currency credit card institution. 1+ 1 Any combination! In order to combine applications according to the actual needs of customers. Combination cards are generally a set of two cards. Or you signed two application forms when you applied. If you don't want to get a card, you can call the customer service hotline to cancel.