在网络浪潮的席卷下，报刊、广播、电视、通讯社纷纷上网，开发网络新闻传播的各种功能。近五年时间，中国网络新闻业从无到有，从量增到质变，“第四媒体”的新闻传播媒体群体已经形成。最新的统计表明，当前国内的新闻媒体网站已有７００多家，中文商业网站则已达１．５万个 Under the sweeping wave of the Internet, newspapers and periodicals, radio, television and news agencies all surfed the Internet to develop the various functions of network news dissemination. In the recent five years, there has been an unprecedented increase in the number of news media outlets in China from volume to qualitative change. The media group for the “fourth media” has been formed. The latest statistics show that there are currently more than 700 domestic news media websites and 15,000 Chinese commercial websites