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Podcasting is the BBS, E-Mail, MSN, blog after another generation of network communication form, it is a digital broadcasting technology. In essence, means "a new document posted on the Internet and allow users to subscribe to Feed (news source) automatically receive new documents to the method, this method also refers to the production of radio programmes, on behalf of the use of this mode of transmission of a group of people . ". Up to now only a short period of time more than three years, it has been the development of the blowout. Podcasts compared to traditional media have a low threshold of hardware and knowledge, a flexible upload download, to independently choose to accept mode, multi-sensory stimulation, such as the advantages. Of traditional broadcasting, the rise of podcasting, it is undoubtedly a heavyweight challenge.