With the development of science and technology today, we have to say that smart phones have really brought great convenience to our lives. As mentioned above, our life is increasingly inseparable from mobile phones. Want to shop, open the mobile phone client, all kinds of goods are dazzling, take in everything in a glance. What we want, we choose to add to the shopping cart, and then pay with Alipay, waiting for express delivery. Want to travel, open the map application, the route of going out, and the scores of various attractions are presented; Go out and see the beautiful scenery, and shoot it immediately. After the optimization of image editing software, a commemorative photo with full artistic conception is generated. Information demand is the natural demand of people in every society. People living in society have the characteristics of group demand, isolation and poor information, which are non-social. Information can eliminate the uncertainty of people. There is a theory of "use and satisfaction" in communication. The study of "use and satisfaction" regards the audience as individuals with specific needs, and regards their media contact activities as the process of "using" media based on the motivation of specific needs, so that these needs can be "satisfied". Newspapers, radio and television media report a lot of current affairs news every day, which makes people know what is happening in the world and can eliminate the uncertainty of people's information. Mobile phones access the Internet and integrate information, making people's mobile phones the terminals of the Internet. Compared with computers, mobile phones have the advantages of small size, portability and low price, and mobile phones have the advantage of surfing the Internet. These advantages make more and more people use mobile phones to surf the Internet. So as to meet people's information needs quickly and timely. Mobile phones are widely used by college students. Mobile phone information carrier is more convenient, direct and fast than newspaper, radio and TV information carrier in information transmission.

Although the mobile phone has brought great convenience to our life, it also has many shortcomings that cannot be ignored. ? In recent years, more and more people keep their mobile phones all day, but they have to return to people's sight because of the health problems brought by mobile phones. With the development of mobile phone technology, the screen of mobile phone has changed from the original monochrome to the present? Color screen, people's use of mobile phones has gradually changed from "listening" to "watching". ? Long-term use of mobile phones and screen brightness differences can also cause eye fatigue. The way people use mobile phones is getting smaller and smaller, and people habitually tend to bow their heads. Students especially like to use mobile phones in class, and their necks are in a state of tension for a long time. In the long run, it is likely to cause neck strain. Mobile phones can produce radiation, and internal organs are exposed to radiation for a long time, which may also lead to "fatigue". People are used to wearing their mobile phones around their waists or hanging them on their chests. Radiation is introduced into the human body through mobile phones. In severe cases, it is likely to cause organ fever and cause different degrees of damage to human blood and organs. Many people who use mobile phones are prone to the so-called mobile phone syndrome. Every few minutes, I want to see if there is any new news or new call on my mobile phone. Someone else's mobile phone rings.

Mobile phones make people's garbage time disappear. In fact, the more time and efficiency are emphasized in human society, the more geographical changes will be, and the more fragmentation time will be. Spare time in life, such as rush hour, waiting for flights, queuing, restaurants and other dishes, and even boring meeting and toilet time, is usually considered as boring garbage time. Now, new mobile applications make these junk times more meaningful. According to the "long tail theory", people no longer need real space and whole time to communicate with family, friends and the outside world. They can do whatever they want with their fingers, and most of these garbage hours are in the mobile, short-term and even private geographical space, which is reconstructing "prime time". ?