When you apply for a credit card again, you need to pay attention to some details, which will increase your limit. When the cardholder applies for a credit card again, he needs to fill in the fixed telephone number of this city carefully when filling in the application form. The best phone number is in real-name registration system, that is, it is registered in your own name or family name, and whether you are married, whether your mobile phone number has a monthly rent, and whether it is a local account. It must be filled in truthfully. If the above answers are in the affirmative, the bank will greatly improve your credit evaluation accordingly.