150 yuan. According to the official website of China Postal Savings Bank, the installment interest of China Postal Credit Card is 0.6%, and the interest per 10,000 yuan is 60 yuan. The postal credit card will also generate interest when withdrawing cash, and the daily interest is based on 10,000 yuan. The interest rate is calculated as five yuan. Therefore, if you withdraw 10,000 yuan in cash with a postal credit card, the daily interest generated is 5 yuan. If calculated on a monthly basis (assuming 30 days), the interest for one month will be 150 yuan.