Abstract: During the human being medium function externalization process, mobile phone has played an important role. Mobile newspaper is a good product form of mobile medium and traditional medium's derivation. The mobile newspaper shortens the distance of people and news event. From the conception and classification of mobile newspaper, based on the dissemination feature of stating mass communication, minority receive, the China 2008 snow disaster report and 2010 Shanghai EXPO report are as the examples to be analyzed the mobile newspaper's dominant role in big event. Based on "Two Conferences" report, mobile newspaper's excellent performance in public news field is displayed and dissemination superiority and dissemination value are stated synthetically.