20 yuan per month means that when handling this business, the bank will charge a certain service fee to cover the related expenses incurred by credit card repayment.

According to inquiries from Hualu.com, Pufa Worry-Free is also a credit card repayment product launched by Shanghai Pudong Development Bank, aiming to provide users with convenient and low-cost credit card repayment services. 20 yuan per month means that when handling this business, the bank will charge a certain service fee to cover the related expenses incurred by credit card repayment. Specifically, this service can help users make automatic repayments and avoid penalty interest and credit losses caused by late or insufficient repayments.

The main features of the worry-free repayment business include:

1. Automatic repayment: After the user handles the worry-free repayment business, the bank will automatically deduct it from the user's account on the monthly repayment date. Repay the amount due in the current month to ensure that the credit card will not be overdue.

2. Low cost: A monthly service fee of 20 yuan is charged, which is lower cost than other repayment methods, such as inter-bank transfers, over-the-counter repayments, etc.

3. Convenience: Users do not need to go to the bank or other channels to repay in person, saving time and energy.

4. Security: The bank will encrypt the user's account to ensure the safety of the funds.