It is forbidden to bring mobile phones into core confidential places, and it is forbidden to use mobile phones in general confidential places.

Restrict the use of mobile phones. It is forbidden to bring mobile phones into core confidential places, and it is forbidden to use mobile phones in important confidential places. Generally speaking, the use of mobile phones in confidential places is restricted. Secret-related departments are not as mysterious as people usually think. In fact, secret-related departments exist in all walks of life. No matter enterprises, countries or non-governmental organizations, there are traces of secret-related departments. Enterprises have trade secrets, so anything involving trade secrets can be said to be confidential, not to mention the country. For example, the minutes of some government meetings are strictly confidential, but the grades are different.