The early repayment function of China Merchants Bank’s APP can be found on the “My Credit Card” page or the “Bills” page. The specific steps are as follows:

1. Open the China Merchants Bank APP and enter the "My" interface.

2. Find "My Credit Card" in the "My" interface and enter the detailed information page of the China Merchants Bank credit card you hold.

3. Find the "Bill" option and select the "Early Repayment" option on the bill page.

4. On the early repayment page, you can select the repayment amount and repayment date, and then submit the application after confirming that they are correct.