The supplementary card will receive text messages when using the main card. However, there will only be SMS notifications when the supplementary card consumption reaches more than 500 yuan. If the consumption does not exceed 500 yuan, there will be no notification.

For purchases made with the main credit card, the secondary card will not receive the information. If the user goes to the bank to set up SMS reminders, then the main card will receive SMS reminders for purchases made with the supplementary card. In particular, when the reserved mobile phone number of the supplementary card is the same as that of the main card, the main card can know the consumption status of the supplementary card through text messages. Since the limit of the supplementary card is designated by the main cardholder, the main card can generally know the consumption status of the supplementary card.

Whoever applies for a card must leave their mobile phone number. No matter it is the main card or the secondary card, consumption reminders will only be sent to the mobile phone number left, that is, the consumption of the main card will be sent to the main card. The mobile phone number left is the mobile phone number of the secondary card sent for consumption by the secondary card. Generally speaking, credit cards can only be processed in person. If you illegally use your parents’ ID cards to get a credit card and leave your mobile phone number, then only your mobile phone number will have consumption reminder information. If you don't let your parents know, the premise is that you don't let the bills be sent to your home, and you don't let your parents know that you applied for the card, or else paper bills, credit cards, and online banking all know your consumption records.

1. For credit card supplementary card consumption, the main card SMS reminder needs to be customized when you open the card. You can customize up to two mobile phone numbers.

2. If you want a higher credit card limit and better customer service, go to China Merchants Bank. If you want to make repayments and withdrawals more convenient, go to ICBC, because ICBC has more outlets.

3. Applications for using a credit card as an additional card can only be applied in the place where the main card is applied for, and there are no restrictions on ID cards from other places. However, if the auxiliary cardholder only uses the card to make purchases and deposits in other places, You can apply for it at the location where the main card is located. There is no handling fee for ICBC credit cards when you use the card to make purchases in other places and make deposits.

However, the main card can keep abreast of the changes in the supplementary card account in two ways:

4. Activate a paid SMS service. Each bank has similar services. After activation, each No matter how big or small the consumption is, I will send text messages every month. For example, the CCB Credit Card "Dragon Card Safe Use" product costs 3 yuan per month, with an annual price of 30 yuan. It also provides an additional insurance of at least 50,000 yuan in pre-loss and fraud compensation, and can be canceled at any time after activation.

2. Card binding with WeChat Bank: WeChat follows the official account of the card issuer and binds the activated main credit card. For every purchase made by the supplementary card, the main cardholder can also push it from WeChat Bank. of transaction alerts.