If you withdraw 1,000 yuan with a Bank of Communications credit card, the total daily interest is 0.5 yuan.

Bank of Communications credit card cash withdrawal interest is generally charged on a daily basis, and the daily interest rate is 0.5% until the debt is paid off. In this way, the total daily interest is 1000*0.05*1=0.5 yuan. In addition, Bank of Communications credit cards also charge a cash withdrawal fee of 1% of the cash withdrawal amount for each cash withdrawal.