At present，China’s Internet unhealthy information is mostly supervised by intelligent filtering. The following four systems are famous for such technology：The NIFS system of Xi’an Jiao Tong University，the content security filtering system of Shanghai Jiao Tong University，the graphic network content monitoring system of Beijing Institute (DFNMS) and the real time information detecting and filtering system(RIFS) of the University of electronic Science and technology. Analyses and researches on Internet information supervising technology include researches on network processing protocol and architecture for unhealthy information text classification，information extraction，Web access to information the crawler algorithm，string matching monitoring.
　　3.4 Internet users should cultivate their own information refinement
　　Nowadays，China has possessed the world’s largest Internet users. In the information age，the main reason for the poor supervision of the Internet unhealthy information is the weak information safety consciousness of the users. The users should increasingly improve their own information refinement to treat the Internet unhealthy information in an objective way，to make good use of the information they need and to resist the uncivil Internet behaviors.
　　4.Summary
　　It is far from enough for us to manage the unhealthy information well only by a few industries. A long-term，open mechanism must be established. The government should strengthen legislation. The industries and Internet users should be more self-disciplined. The educational institutions should help cultivate the information refinement of the users. Only in this way can the Internet be well managed.
　　
　　参考文献：
　　［1］http：//www.isc.org.cn/Society_js.php In Chinese.
　　［2］Jiang Lintao.Chance and Challenge From Importing Internet［J］.telecommunications science，2008，(1) (In Chinese).
　　［3］http：//www.tong-xin.com/html/56/n-14256-1.html(In Chinese).
　　［4］The 29 times China Internet network development state statistic report,2012：1(In Chinese).
　　［5］http：//net.china.com.cn/ggl/txt/2012-03/12/content_4867318.htm(In Chinese).

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