Payment Issues
Many foreign payment methods cannot be used in China, which is very inconvenient. For this reason, you must prepare some Chinese cash beforehand. It is best to install Alipay or WeChat on your mobile phone and bind a credit card, because these two payment methods are more popular in China than cash payment.
Cash Exchange
You can choose a currency exchange station to exchange RMB after arriving at the airport. There are multiple stations in T1 or T2 Aviation Building where you can exchange RMB
Install alipay and bind your credit card using your passport
Install WeChat and bind your credit card with your passport
There are staff at the airport who can help you solve payment problems, including software downloads, data binding, etc.
Many foreign payment methods cannot be used in China, which is very inconvenient. For this reason, you must prepare some Chinese cash beforehand. It is best to install Alipay or WeChat on your mobile phone and bind a credit card, because these two payment methods are more popular in China than cash payment.
If you use esim card, you'd better download DiDi app
Note: The above method does not support cash. If you want to pay in cash, you can only choose the airport taxi service (Uber has withdrawn from the Chinese market, so it is not recommended to use Uber)