Today, with the further popularization of credit cards, they have been integrated into all aspects of our lives. For example, work, consumption, entertainment, payment and so on, more and more people have developed the habit of spending by credit card. But with the development of credit card today, its function is far from so single. In fact, credit cards also have some "hidden" functions.

1, green channel for medical appointment.

Seeing a doctor is a common old problem in people's daily life. The popular hospital departments in some cities are crowded with people when they go, and it is even harder to see the expert number. And many banks' credit cards have opened the expert reservation function. For example, CITIC Bank Platinum Credit Card enjoys the right to make an appointment with expert number in many 3A hospitals across the country, which brings tangible convenience to cardholders.

2. Proof of consumption and financial resources when leaving the country

When we leave the country, the visa application conditions in some countries require the depositor's bank running water or proof of deposit. At this time, if you have a credit card gold card issued by a domestic bank, you can pass it if you are qualified. At this time, the credit card is proof of your identity.