According to relevant information, the account opened by Suning Bank on the same city billing network was suddenly frozen for the following reasons:

1. The bank card transfers a lot of money from strangers or has multiple transfers every day.

2. There is a civil lawsuit and the account is frozen by the court.

3. The account profited from it and was seized by the public security organ, followed by judicial freezing. For specific information, please pay attention to official website for first-hand authoritative information.