1. Interest-free period of credit card funds for financial management: the interest-free period of credit cards is quite long and the amount is relatively high. You can use the funds in your credit card to do some investment and financial management during the interest-free period, and you can make a small profit.

2. Consumption when doing credit card activities: Some banks have many credit card discounts. In shopping malls, supermarkets, etc. You will see advertisements for credit card consumption in some banks, such as the slogan: If you use a bank's credit card to spend more than 100 minus 40.

3. There will be a card opening ceremony when you apply for a credit card directly in official website. After you get a credit card to activate your consumption, the bank will give you various gifts, such as a suitcase, 18% off gasoline, discount cards in stores and so on.