Smart phone increasingly penetrates into people's lives. It seems that many young people can't live a moment without it. In the streets, we can often see that young people are busy taking pictures and typing some information on their smart phones, before posting them on their microblogs or WeChat. Indeed, smart phones provide great convenience for people by letting them interact with friends anywhere anytime and share something new. However, some scholars concerned egress concern towards it Smart phones are driving their ixsere away from people around them.