The credit card supplementary card limit refers to the amount that the supplementary card can consume. Generally speaking, the credit card credit limit is shared with the main card, so if you want to increase the credit card credit limit, you must first increase the credit limit of the main card.

The credit card supplementary card quota is limited by the main cardholder, who can control or even stop the credit card supplementary card quota. For example, if the credit limit of the primary card is 20000, the primary card holder can set the credit limit of the secondary card to 1000, and the primary card holder can control the consumption of the secondary card holder at any time and know his consumption expenditure.

Because the main card and the auxiliary card enjoy the same credit limit, the cardholders of the two cards may not know how much the other party spent during use, so they should communicate frequently to avoid exceeding the credit limit.

In terms of points, the secondary card of the credit card can be integrated with the main card, so that the points of the credit card can be accumulated quickly. For example, if you spend 50,000-65,438+10,000 yuan on several different credit cards a year, then the points of each card may be less, and the cardholder will not be able to exchange his favorite gifts. However, if all the points are accumulated on one credit card, even if the points of the card are valid for a short time, the cardholder can exchange gifts with higher value.

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The main card of ICBC credit card is processed first, and the number on the main card is smaller than that on the auxiliary card.

First, the secondary card also has an annual fee: Like the main card, the secondary card also has an annual fee, which is generally about half of the annual fee of the main card. Like the main card, most supplementary cards can reduce the annual fee by spending a certain number of times or a certain amount.

Second, the auxiliary card and the main card share the line: the auxiliary card and the main card share the line, and the line of the auxiliary card cannot exceed the main card.

Third, the loss of the main card does not affect the use of the secondary card: the main card and the secondary card of a credit card can basically be regarded as two independent cards except for sharing the quota. After the main card is lost, it will not affect the use of the secondary card, and vice versa. ?