If your credit card is overdue for four days, you can take the following measures to deal with it:

1. The first step is to pay off the balance as soon as possible. Contact your bank or credit card institution to find out the specific amount and method of overdue repayment, and pay off the amount owed as soon as possible.

2. You can try to communicate with the bank or credit card institution, explaining that the overdue payment was not intentional, and requesting them to be lenient on this overdue payment to reduce possible penalty interest or penalties.

3. In the future, personal financial management should be strengthened to ensure timely repayment. You can set up a reminder function to pay regular attention to your credit card bills and plan your expenditures appropriately to avoid overdue repayments again.

Summary: Credit card overdue is a problem that needs to be dealt with promptly and properly. First, you must pay off the debt as soon as possible, then communicate with the bank or credit card institution, and strengthen personal financial management to avoid overdue repayment from happening again. .

Extended information: Late repayment may lead to a decline in credit rating and affect personal credit history. Therefore, you should be careful when using your credit card to ensure you repay it on time. At the same time, you can also consider setting up an automatic repayment function to avoid forgetting to repay due to negligence.