Credit card refers to the bank card that is used first and then returned, which is also commonly known as "credit card". Its biggest feature is that it can be overdrawn, which is suitable for people with stable jobs and income sources and good credit evaluation. Frequent use of credit cards can accumulate your credit history, which will be of great help to you in handling various credit businesses in the future. It can be divided into ordinary RMB credit cards and international cards, and international cards can be divided into visa cards, MasterCard cards and American Express cards according to different cooperative institutions.
If you have other specific questions, I suggest you call the customer service staff of the issuing bank, hoping to help you.