It should be that after filling out a few application forms, a few credit cards came out. Moreover, each application form requires the signature of the poster himself. The poster can recall how many application forms he filled out when he went to apply. However, as long as their credit card is not activated, the annual fee will not be deducted. You can only open the card you want to use, and leave the other two untouched. You can also call their customer service number and ask first what the differences are between these cards, what types of cards they are, and what special functions they have, and then decide which one to open.