1. The identity card name is inconsistent with the submitted real name or the identity card number is inconsistent with the submitted number, resulting in authentication failure.
2. Others may steal your ID number for authentication.
3. Others may use your ID card information to register the subway ride information.
If you encounter the problem that the real-name authentication of Changsha Metro fails, I suggest you go to the service window of Changsha Metro or the self-service teller machine for consultation and handling.