It is forbidden for students to bring their mobile phones into the campus theme class meeting records.

At the theme class meeting, the students said in succession: For the sake of their beautiful life and the ardent expectations of their loved ones, they must respond to the call of the class teacher and resolutely not bring their mobile phones into the campus. They will concentrate on their studies and make unremitting efforts to be good students whose parents are at ease, their teachers are satisfied, their classmates are envious and everyone likes to use computers frequently, which will damage their physical and mental health. Mobile phones realize their functions through radio waves. The radio wave radiation emitted by mobile phones will be absorbed by the human body more or less. Scientific experiments show that frequent and long-term use of mobile phones is harmful to human health. Damage to physical and mental health. Mobile phones realize their functions through radio waves. The radio wave radiation emitted by mobile phones will be absorbed by the human body more or less. Scientific experiments show that frequent and long-term use of mobile phones is harmful to human health. Mainly manifested as memory loss, sleep disorder, psychological irritability, headache and so on. Middle school students are in the period of growth and development, and their physical functions are still not perfect. Mobile phone radiation harms their physical development, leading to obvious decline in understanding, reaction and memory, and disorder of immune function. Mobile phones realize their functions through radio waves. The radio wave radiation emitted by mobile phone will be absorbed by human body more or less. Scientific experiments show that frequent and long-term use of mobile phones is harmful to human health. Mainly manifested as memory loss, sleep disorder, psychological irritability, headache and so on. Middle school students are in the period of growth and development, and their physical functions are still not perfect. Mobile phone radiation damages their physical development, leading to a significant decline in understanding, reaction and memory, as well as immune dysfunction. Students are also forbidden not to bring their mobile phones to school, so as not to study badly, and they can make their own themes when they get home, and so on.