What should I do if the information reminds me that the bank card is applying for opening Pinduoduo payment?

It doesn't matter, as long as you pay, you need to enter the password. Even if there is no password payment, it is generally a small amount, such as 100 or less, which can be set in Pinduoduo.

Or we can see if it works, Pinduoduo. If not, you can directly use the bank app to manage the third-party payment and cancel the binding between the bank card and Pinduoduo.

It's safe. Now you can actually stop worrying.