1. Open Alipay or WeChat on your mobile phone and switch to the "Travel" interface in the function bar.
2. Click on "subway boarding code" and follow the prompts to get the card successfully.
3. Click "scan code to ride" in the pop-up dialog box, and aim the ride code in Alipay or WeChat at the scan code port of the subway.
4. If there is NFC function on the mobile phone, you can also pay directly by credit card.
In addition, you can also buy a one-way ticket for Shanghai Metro directly on WeChat, and then scan the code to take the subway. In this case, you need to pay a certain deposit, otherwise it will be returned.