At present, mobile phones are become more and more popular. According to the report, about 57% students have mobile phones. Some students use them to search new words and ask for new information and knowledge. Some use phones to listen to music and take some interesting pictures. And they can call teachers, their parents or policemen when they are in need. But every coin has two sides. There are also some disadvantages brought by the phones. Some students use them to play games, which is bad for their sleeping and study. Besides, some students chat with strangers and learn bad habits. Some read unhealthy novels. They use phones to send message when it is time to sleep. So, I think everyone should use phones correctly. If you use it properly, you can benefit from it; otherwise, it will waste your time and ruin your life.

At present, mobile phones are become more and more popular. According to the report, about 57% students have mobile phones. Some students use them to search new words and ask for new information and knowledge. Some use phones to listen to music and take some interesting pictures. And they can call teachers, their parents or policemen when they are in need. But every coin has two sides. There are also some disadvantages brought by the phones. Some students use them to play games, which is bad for their sleeping and study. Besides, some students chat with strangers and learn bad habits. Some read unhealthy novels. They use phones to send message when it is time to sleep. So, I think everyone should use phones correctly. If you use it properly, you can benefit from it; otherwise, it will waste your time and ruin your life.