1. Safety of learning environment: Restricting the entrance of foreign school personnel into some areas of the school, such as the library, can reduce potential safety risks. Schools are places where students learn and grow. Restricting the entry of personnel from other schools can control the flow of personnel on campus, reduce security problems and ensure students to study in a relatively safe learning environment.

2. Learning environment order: Restricting foreign school personnel from entering some areas of the school can maintain the learning environment order of the school. Schools, libraries and other places are places where students study and study. Restricting the entry of foreign school personnel can reduce interference factors and keep the learning environment quiet and focused.