Check the real-time exchange rate through Baidu query, as shown in figure:
If you want to exchange foreign currency, you must go to a bank designated by the state to exchange it. It is illegal to change money elsewhere. Designated foreign exchange banks refer to China Bank, China Industrial and Commercial Bank, China Agricultural Bank, China Construction Bank and other commercial banks approved by the state to engage in foreign exchange business. It is illegal to exchange foreign currency in places other than designated foreign exchange banks and legal foreign exchange exchange points.