10 years ago, credit card was still a "foreign term" in Chinese people's eyes; today, it has become closely related to many people's lives. However, as it adds convenience to your life, the stories of falling into the "trap" of credit cards occur frequently. Maybe, you have also encountered the following credit card "traps"; maybe, you have just applied for a new credit card and do not know much about the rules of credit cards; or maybe, you are an expert on credit and can manage credit cards well... Anyway, we want to remind you to be prepared for future trouble. To quote a famous saying in the securities market: there are risks in using credit cards, so be careful when you use them.