According to the repayment regulations issued by official website Everbright Bank, the minimum repayment amount of Everbright Bank's credit card is generally 10% of the total bill payable, and 10% of 4,000 yuan is 400 yuan, so the minimum repayment amount for one month is 400 yuan.

China Everbright Bank was established in August, 1992. It is a national joint-stock commercial bank established by the People's Bank of China with the approval of the State Council, with its headquarters in Beijing.