1. Different banks have different requirements, usually 6 months. Some banks can apply for a card after 3 months.

2. The process of applying for a card with a card is relatively simple, but there are certain conditions. If the cardholder wants to apply for another credit card using the credit card he already has, the cardholder generally needs to use the original credit card for more than 6 months before he can apply for another credit card at another bank. For Bank of China, the required card holding time is relatively short. Bank of China credit card holders only need to use the card for more than 3 months to apply for a card.

3. Under normal circumstances, when applying for a card business, the cardholder can use the original credit card as proof of financial resources and the original ID card, so that on the basis of the original cardholder holding the card, the cardholder can Apply for a credit card from another bank. For some banks, if you want to apply for a card by card, they may also require you to submit a copy of your ID card, a copy of your credit card, proof of financial resources and other relevant information.

4. It is good for cardholders to obtain an extra card by applying for a card. This means that more money can be overdrafted, but at the same time it will also attract Some trouble. If cardholders mismanage their credit cards and cause excessive cyclical overdrafts, the trouble they cause will be relatively difficult. If the cardholder fails to repay the loan after the due date, the cardholder's credit debt will rapidly expand like a snowball, causing huge financial trouble to the individual.