Setting up a credit card reservation repayment through WeChat can be divided into the following steps:

1. Log in to the WeChat client by mobile phone, and click My-Change to enter the change page;

2. Select credit card repayment on the change page, find the credit card that needs to be set for scheduled repayment and click;

3. Click more repayment methods under immediate repayment in the repayment page, and then click regular repayment in the pop-up window;

4. Click Next after confirming that the information is correct, and finally enter the payment password for identity verification, and successfully set the repayment plan.