As a high-tech product, mobile phone can really bring a lot of convenience to our life. Students can contact their parents in time through their mobile phones. When students go out to play or encounter danger in other places, they can ask their parents, teachers or police for help in time, and they can also report their learning situation to teachers. Communicate with former classmates more, which can maintain the original friendship; More communication with current classmates can enhance feelings, and you can discuss problems with your mobile phone. The shooting function of some mobile phones can take some meaningful and valuable things at any time; The alarm clock device inside can be used at any time; Call recording function, unlike the phone at home, calls made when others are not at home are recorded in the phone for easy inquiry. The mobile phone itself is small and exquisite and easy to carry. The mobile phone has become an accomplice to cheating in the examination room, which has affected the order of the examination room.