Credit cards can usually be divided into primary cards and secondary cards. The required age requirements are as follows:

1. The primary credit card generally requires an age between 18-60 years old. However, different banks and different card types have different regulations. For details, please refer to the actual regulations of the applicant bank.

2. Supplementary credit cards can generally be applied for by those aged 13 or above. The holders of supplementary cards can only be the parents, spouses, children, etc. of the main card holder. The opening and password of the supplementary card Operations such as settings are independent.