Two junior high school students in Guangxi broke into the railroad tracks to take pictures, which led to the forced stop of two trains. When seeing this news, many netizens also severely condemned the two students, and the relevant departments also punished and educated them. With the popularity of smart phones, many children have a mobile phone. However, due to their poor self-control, it is difficult for children to distinguish the bad information in the mobile phone and the time of using it, which will have a serious impact on themselves. Myopia, loneliness and so on are all the poisons of mobile phones to children.

The use of mobile phones will interfere with children's nervous system, especially in the growing period. Frequent use of mobile phones will affect their development. In addition, mobile phone radiation will also have a serious impact on children's immune function, which will make children more prone to headaches, dizziness and other symptoms. Moreover, playing mobile phones will also cause children to have myopia symptoms, because staring at the screen of mobile phones for a long time will cause dryness to children's eyes, and if they don't actively keep their eyes active, or look at the distance from time to time, then it will cause myopia.

In addition, according to the research, playing mobile phone frequently will also lead to low reaction ability and increase the risk of cancer. In addition, playing mobile phones for a long time will also cause spinal deformity if the posture is incorrect, and playing mobile phones for a long time will easily cause children not to communicate with other peers, which will affect their language development ability and make them more and more withdrawn and unable to communicate and communicate with their peers normally.

Therefore, there are many disadvantages for children to play with mobile phones. To ensure the influence of children only playing with mobile phones. It is necessary to reduce the time spent playing mobile phones, adjust the brightness of the room and keep a correct distance. This method will reduce the occurrence of myopia and ensure that the child's body will not be abnormal. In addition, setting the prescribed time can also ensure that the child's eyes are relieved, and it can also control the child's time of playing mobile phones, so that the child can form strong self-control.