If you mean the exchange rate between Hong Kong dollar and RMB, you can refer to the "real-time exchange rate" of China Merchants Bank. Please go to the homepage of China Merchants Bank and click "Real-time Exchange Rate" on the right. The specific exchange rate is subject to the actual exchange rate. If you need to query the historical exchange rate, click View History after the corresponding exchange rate. Note: 100 foreign currency is converted into RMB.