Conditions for overdue door-to-door collection of credit cards: In general, when the bill of credit card is overdue for more than 3 months, the bank can choose door-to-door collection after two effective collections by the bank. Process of door-to-door collection: the collection personnel and the third-party notary will obtain the consent of the cardholder in advance, and then carry out door-to-door collection. If the collection is still fruitless, the bank can choose to sue the cardholder. Consequences of the cardholder being sued: once the cardholder is sued by the bank, the cardholder may be listed as the person who has lost his trust. This means that their consumption and travel may be restricted, and they may even face further risks such as asset freezing. Please note that the above information is only general and does not apply to all situations. If your credit card bill is overdue, it is recommended to contact the bank as soon as possible to find a solution.