Refers to the monthly card usage for controlling the card. Charge cards can set the amount of money their supplementary card can use each billing cycle. That is, the additional card usage traffic. If you already hold the main card product of Bank of China credit card. Then you can apply for supplementary cards for your immediate family members. You can set a usage limit for the additional card within the main card limit (Great Wall Card uses data). At the same time, the main card can choose to receive SMS transaction messages for additional cards. The main and supplementary cards can participate in Bank of China marketing activities respectively

Credibility is the limit of this card. The available limit is the limit minus the limit that has been used or frozen.

Credit card traffic setting refers to providing credit card-related accessory volume setting functions. This function supports primary card customers to adjust the traffic limit settings of supplementary credit cards that they have applied for.

The traffic settings are different from the available quota. Even if the repayment is made to the supplementary card that month. Traffic is also quantitatively unrecoverable. It needs to be restored in the next billing cycle. (Currently only supports Bank of China Great Wall series credit cards).

Credit card traffic setting refers to providing the additional card traffic setting function related to credit cards. This function supports primary card customers to adjust the traffic limit settings of supplementary credit cards that they have applied for. The flow setting is different from the available limit. Even if you repay the supplementary card that month, the flow is fixed and cannot be restored. It needs to be restored in the next billing cycle. Currently only Bank of China Great Wall series credit cards are supported.

1. The credit limit is the limit of this card. The available limit is the credit limit minus the used limit or frozen limit.

2. Credit card flow setting refers to providing the credit card-related supplementary card flow setting function. This function supports the main card customer to adjust the flow limit setting of the credit card supplementary card that has applied.

3. The traffic setting is different from the available limit. Even if the supplementary card is repaid in the current month, the traffic is fixed and cannot be recovered until the next time.

Credit card over-limit refers to the card holding limit. The amount spent by a person using a credit card has exceeded the maximum credit limit of the credit card.

The credit card amount limit may be exceeded because the credit card limit is insufficient, or it may be that the credit card payment exceeds the single payment limit. If the credit card exceeds the amount limit due to insufficient credit, you can consider changing the card for payment. If the payment exceeds the single limit, you can modify the payment amount and make multiple payments.

There are three reasons for the single payment limit:

(1) The credit card holder sets the single payment limit by himself;

(2) Credit card Online transaction limits;

(3) The bank limits the single credit card swipe limit for specific merchants.