1. The minimum age limit for banks to apply for credit cards must be over 18 years old.

2. The maximum age limit for credit card application varies from bank to bank, usually not exceeding 6 years old. Some banks have relaxed it to 65 years old, while others can relax it to 7 years old.

Some cards are aimed at a certain group, and the age requirement is more stringent. For example, YOUNG, which is launched by China Merchants Bank, only people under 3 apply for cards (Youth Edition).