Fuzhou Aofeng School installed an anti-bullying alarm device in the toilet. When such words calling for help sound, the alarm will automatically recognize and sound and light alarms will be sent to the mobile phones and computers of the relevant teachers in real time.
After receiving the alarm signal, the teacher can call the scene of the incident to understand the situation and rush to the scene. Some netizens applauded this move, believing it to be a useful exploration of "technical defense" methods for school bullying.