The method to modify the bill date of Minsheng Bank credit card is as follows:

1. Cardholders can call Minsheng Bank credit card customer service hotline 400-669-5568 to make modifications through manual customer service.

2. Cardholders can also bring their credit card and identity document to any Minsheng Bank branch to modify the bill date at the counter.

3. At the same time, you can also log in to the Minsheng Bank National Life APP and click "Finance" - "Change Date" to make changes.