1. A natural person who has reached the age of 18 and has full capacity for civil conduct;
2. Have a stable income, the ability to repay the principal and interest, and good credit.
Users can apply for supplementary cards for their families or spouses after applying for personal master cards, and the number of supplementary cards cannot exceed 3; All the consumption of the supplementary card is included in the account of the main card, and the cardholder of the main card is responsible for repaying all the payables of the supplementary card.