1, visa credit card can be used in China, as long as the merchant has opened visa payment.

2. When it is used in China, you need to find a POS machine that can take the VISA channel.

3. As merchants need to collect RMB, VISA needs to convert it into US dollars within VISA after receiving the RMB request and send a US dollar bill.

4. After receiving the US dollar bill, the issuing bank of 4.VISA card will convert it into RMB internally. So the final bill actually went through two exchange rate conversions.

5. There will be a time difference between the two conversions, which will usually be completed on the trading day.

6. Because there are two exchange rate conversions, it is necessary to bear the losses of the two exchange rate conversions and pay a currency conversion fee of 1%-2%.