Do you know about supplementary cards? In fact, the main card and supplementary card can be applied simultaneously. The cardholder can directly check the supplementary card column when applying for a credit card. So what is the difference between the main credit card and the supplementary card? The editor is here to tell you, if you are interested, you can come and take a look.

1. Annual fee: The annual fee of the supplementary card is lower than that of the main card, generally half of that of the main card.

2. Permissions: The principal cardholder can apply for multiple supplementary cards, and can also change the cardholder of the supplementary card, but the supplementary cardholder cannot change the holder of the principal card. In other words, the supplementary cardholder is passive.

3. Limit: The overdraft limit of the supplementary card cannot exceed the main card.

4. Repayment method: The supplementary card does not need to be repaid after swiping the card for consumption. All its consumption is repaid by the main cardholder.

The relationship between the main card and the supplementary card:

1. The supplementary card is the same as the main card. Generally, the annual fee for the next year can be waived by swiping a few times a year.

2. Supplementary card and main card have exclusive quota.

3. The points earned from consumption with the supplementary card can be combined with the points from the main card, but in terms of points redemption, only the main card can redeem them.