At the end of the 2005,"Podcast technology make everybody become to an independent radio and television producer" & "DNA can't decided the destiny of human" distinguished as considerable discovery and the best opinion.Coincidentally,the has chosen the year's man is "YOU" at year of 2006,means everybody who is using internet.For that,the explanation from is:society is transiting from "orgnizational" to "privatizational",people has becoming to citizens of"Democratic society of new digital age",so the year's man is all of the contenses creators and users on internet.That's to find the podcasting is significance for people life and society.Podcasting as a kinds of personal media,without a doubt,is the most emblematical media style to show the substance of "self age",it's not only to enriched the conventional media and burgeoning networks' concept has further make the structure of internet communication change to pluralism and complex.The most valuable ofpodcasting is that it put publish,display,share and scan of content together.Inducing to the combination of media diversified,personalized and Audio-visual technology.It reflects an age tendency of the coming of "Self Era".At the age of Web2.0,the conception of "Users "has replaced "Audiences".In other words,users are not only the net content consumer but also the maker of content.The most obvious symbol is the born of new media such as Blog,Podcast and Wiki etc. After Blog recaptures the right to speak for our people,Podcast challenges the traditionally media in Audio-Visual area.Nowadays,Podcast expanded its influence by an incredible rapid speed.It also change our culture and life unconsciously.According to media ecology,just like nature, media has a enormous environment system.Each media undergoes a process of boming,growing,mellowing and fading.So as podcast,it go through from germinating to development,from prosperous to frustration.The article talking about the original of podcast,its present situation,its future and the fundermental changes it takes to our daily life.