It means that the credit card limit of Shanghai Pudong Development Bank is negative. According to the information compiled by China Travel Service. Com, the credit limit of PUFA credit card is negative, and the minimum repayment amount means that the user's credit limit is negative, which means that he has exceeded the credit limit and owed some debts. At this time, even if your minimum repayment amount has been paid off, you need to pay off the debt exceeding the credit limit as soon as possible to avoid generating more interest and expenses.