Generally, cardholders need to bring their credit cards and second-generation ID cards to any branch of the bank to reactivate their credit cards. And if it can't be activated, it may not only be the reason for not using the card for a long time. For example, if the annual fee is deducted from the credit card during the dormant period, if it is not repaid in time, it may be permanently stopped if it is not repaid in a few months. You need to pay the arrears first, and then consult the bank customer service to see if it can be restored; If the use of the credit card is suspended beyond the time limit and cannot be recovered, the cardholder shall not cancel the credit card, which is not conducive to the elimination of overdue records. It is suggested that it is best to apply for a new credit card in this bank and slowly cover up the bad records with the new records, so that there will be no overdue in the future; Credit card, also called debit card, is a credit certificate issued by a commercial bank or credit card company to eligible consumers. It is a card with name, expiration date, number and cardholder's name printed on the front, and a magnetic stripe and signature strip on the back. Consumers with credit cards can go to specialized commercial service departments for shopping or spending, and then the bank will settle accounts with merchants and cardholders, and cardholders can overdraw within the prescribed amount; In most cases, citizens with full capacity for civil conduct (Chinese mainland/KLOC-citizens over 8 years old) and a certain source of direct income can apply for a credit card from the issuing bank. Sometimes, legal persons can also act as applicants; The object of applying for credit card can be divided into units and individuals. Applicants should be organs, enterprises and institutions, foreign-invested enterprises and individual industrial and commercial households with independent legal personality in China. Each unit can get a main card and several (5- 10) supplementary cards when applying for a credit card. Individuals applying for credit cards must have a fixed occupation and a stable source of income, and provide guarantees to banks. The forms of guarantee include personal guarantee, unit guarantee and personal fund guarantee.