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Human flesh search engine

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Human flesh search engine (Chinese: 人肉搜索; pinyin: Rénròu Sōusuǒ) is a Chinese term for the phenomenon of distributed researching using Internet media such as blogs and forums. Internet media, namely dedicated websites and Internet forums, are in fact platforms that enable the broadcast of request and action plans concerning human flesh search and that allow the sharing of online and offline search results. Human flesh search has two eminent characteristics. First, it involves strong offline elements including information acquisition through offline channels and other types of offline activism. Second, it always relies on crowdsourcing: web users collaborate to share information, conduct investigations, and perform other actions concerning people or events of common interest.[1]

Human flesh search engine is similar to the concept of "doxing". Both human flesh search engine and doxing have generally been stigmatized as being for the purpose of identifying and exposing individuals to public humiliation, sometimes out of vigilantism, nationalist or patriotic sentiments, or to break the Internet censorship in the People's Republic of China.[2][3] More recent analyses, however, have shown that it is also used for a number of other reasons, including exposing government corruption,[4][5] identifying hit and run drivers, and exposing scientific fraud, as well as for more "entertainment"-related items such as identifying people seen in pictures. A categorization of hundreds of human flesh search (HFS) episodes can be found in the 2010 IEEE Computer Magazine paper "A Study of the Human Flesh Search Engine: Crowd-Powered Expansion of Online Knowledge".[1]

The system is based on massive human collaboration. The name refers both to the use of knowledge contributed by human beings through social networking, and to the fact that the searches are usually dedicated to finding the identity of a human being who has committed some sort of offense or social breach online.[6] People conducting such research are commonly referred to collectively as "Human Flesh Search Engines".

Because of the convenient and efficient nature of information sharing in cyberspace, the human flesh search is often used to acquire information usually difficult or impossible to find by other conventional means (such as a library or web search engines). Such information, once available, can be rapidly distributed to hundreds of websites, making it an extremely powerful mass medium. The purposes of human flesh search vary from providing technical/professional Q&A support, to revealing private/classified information about specific individuals or organizations (therefore breaching the internet confidentiality and anonymity). Because personal knowledge or unofficial (sometimes illegal) access are frequently depended upon to acquire this information, the reliability and accuracy of such searches often vary.[citation needed]



The term originated on the Mop forums in 2001, coined by Mop to describe "a search that was human-powered rather than computer-driven". The original human flesh search engine was a subforum on Mop similar to a question-and-answer (Q&A) site, focusing on entertainment-related questions. Gradually, the definition of the term evolved from not just a search by humans, but also a search of humans.[7][8]



An early human flesh search dated back to March 2006, when netizens on Tianya Club collaborated to identify an Internet celebrity named "Poison" (simplified Chinese: 毒药; traditional Chinese: 毒藥; pinyin: dúyào). The man was found out to be a high-level government official.

However, Fei-Yue Wang et al. state that the earliest HFS search was in 2001, "when a user posted a photo of a young woman on a Chinese online forum..., and claimed she was his girlfriend." She was eventually identified as a minor celebrity and the initial claim was discredited.[1]

Over the years, the human flesh search was repeatedly deployed, sometimes fueling moral crusades against socially unacceptable behaviors, such as political corruption,[5] extramarital affairs,[5] animal cruelties or perceived betrayal/hostilities towards the Chinese nation. Individuals on the receiving end often have their real-life identities or private information made public, and can be subjected to harassment such as hate mails/calls, death threats, graffiti and social humiliation. Organizations can be subjected to coordinated cyber-attacks.

The human flesh search engine has also been deployed for amusement. Johan Lagerkvist, author of After the Internet, Before Democracy: Competing Norms in Chinese Media and Society, said that the Little Fatty meme, in which pictures of a teenager were photoshopped on film posters without the boy's permission, demonstrated that the human flesh search engine "can also be directed against society's subaltern and the powerless" and that "[t]his raises important issues of the legitimate right to privacy, defamation, and slander."[9]

The Baojia system of community rule-of-law in ancient China bears strong similarities with human flesh search. Both are based on some form of vigilantism.

Stance of the People's Republic of China


In December 2008, The People's Court in Beijing called it an alarming phenomenon because of its implications in "cyberviolence" and violations of privacy law.[10] Human flesh searches are banned under the law.[5]

From March 1, 2020, the People's Republic of China's "Regulations on the Ecological Governance of Online Information Content" has been implemented, clarifying that users and producers of online information content services and platforms must not engage in online violence, doxing, deep forgery, data fraud, account manipulation and other Illegal activities.[11]

In film and television

  • Caught in the Web is a 2012 film by Chen Kaige which explores fictional instances of use of the human flesh search engine.[12]
  • In the television series Mr. Robot, the mysterious group known as The Dark Army has elements based on the phenomenon.
  • Season 20 episode 6 of Law and Order was titled "Human Flesh Search Engine".
  • A web-based platform designed to pool the knowledge efforts of Internet sleuths is the premise of the CBS program Wisdom of the Crowd.
  • Searching is a 2018 American thriller film about human flesh search.
  • The Snow White Murder Case presents a tragedy of human flesh search.
  • The 2009 Chinese film Invisible Killer is related to human flesh search.
  • Human Flesh Search Engine is a Chinese documentary released on 18 July 2009.

Notable examples

  • South China Tiger photograph claims: In 2007, a man in Shaanxi Province, China, claimed to have encountered a live wild South China Tiger, which has long been considered extinct in natural environments. The photos he had taken were later published. The wide circulation of these photos triggered a wave of authentication among web users. who leveraged expertise in diverse domains ranging from zoology, botany, to photography and geometry. Finally, a participant successfully identified the origin of the images: a New Year's picture published by a small company in Zhejiang province, from which the hunter had used to forge the claimed South China Tiger pictures. Human flesh search ended up proving that the photos were fake.[13]: 95–99 
  • Zhang Ya's Earthquake Video: In May 2008, an earthquake with a magnitude of 8.0 swept through Sichuan, China, killing approximately 87,587 people. In response to the quake, a video insulting the victims was published on YouTube by an anonymous female user. After nationwide outrage, The Human Flesh Search Engine identified the girl as Zhang Ya, doxing her and uploading her personal information online.[citation needed]
  • Li Gang incident: On October 16, 2010, a drunk-driving student hit a pair of university students while driving inside Hebei University, with one fatality, and was reported to have shouted “Sue me if you dare, my dad is Li Gang!” when apprehended. Following the spread of the news on Chinese internet forums, the driver's identity was revealed as Li Qiming, the son of the deputy director of the local public security bureau.[citation needed]
  • Doxed driver in the west of China: On 21 March 2013, a driver in Ürümqi, China rolled down his window to spit on an elderly homeless person lying on the street. Witnesses recorded the first few digits of the license plate. A brief broadcast by a local radio quickly caused a stir on the Internet and the furious netizens doxxed Yin Feng, a part-time taxi driver in Ürümqi, within hours after the incident, resulting in harassing calls and blackmail.[14]

See also



  1. ^ a b c Wang, Fei-Yue; Zeng, Daniel; Hendler, James A.; Zhang, Qingpeng; Feng, Zhuo; Gao, Yanqing; Wang, Hui; Lai, Guanpi (August 2010). "A Study of the Human Flesh Search Engine: Crowd-Powered Expansion of Online Knowledge". Computer. 43 (8): 45–53. doi:10.1109/MC.2010.216. ISSN 0018-9162. S2CID 18333582.
  2. ^ Fletcher, Hannah (June 25, 2008). "Human flesh search engines: Chinese vigilantes that hunt victims on the web". The Times. Archived from the original on March 4, 2009.
  3. ^ Branigan, Tania (March 24, 2010). "How China's internet generation broke the silence". The Guardian.
  4. ^ Cheong, Pauline Hope; Gong, Jie (2010). "Cyber vigilantism, transmedia collective intelligence, and civic participation". Chinese Journal of Communication. 3 (4): 471–487. doi:10.1080/17544750.2010.516580. S2CID 89605889.
  5. ^ a b c d "China's tolerance for public oversight is limited". The Economist. June 15, 2023. ISSN 0013-0613. Retrieved 2023-06-16. Under the law, human-flesh searches are banned. Officials criticise them for violating privacy and leading to cyber-bullying.
  6. ^ Downey, Tom (2010-03-03). "China's Cyberposse". The New York Times. ISSN 0362-4331. Retrieved 2023-06-16.
  7. ^ Sterling, Bruce (March 7, 2010). "Human-flesh search engines — renrou sousuo yinqing". Wired.
  8. ^ Zhang, Yang; Gao, Hong (April 2016). "Human Flesh Search Engine and Online Privacy". Science and Engineering Ethics. 22 (2): 601–604. doi:10.1007/s11948-015-9672-y. PMID 26115757. S2CID 255431827.
  9. ^ Lagerkvist, p. 60-61.
  10. ^ "Chinese court fines Web user in "cyber-violence" case". The New York Times. 2008-12-19. ISSN 0362-4331. Retrieved 2023-06-16.
  11. ^ "《网络信息内容生态治理规定》明确不得开展人肉搜索、流量造假等违法活动" (in Chinese). Government of China. 新华社. 2019-12-21. Archived from the original on 2020-11-23. Retrieved 2020-02-29.
  12. ^ Pennington, Clare (2012-09-14). "China, Framed by the Cinema and the Web". The New York Times. ISSN 0362-4331. Retrieved 2023-06-16.
  13. ^ Shi, Song (2023). China and the Internet: Using New Media for Development and Social Change. New Brunswick, NJ: Rutgers University Press. ISBN 9781978834736.
  14. ^ "China's internet vigilantes and the 'human flesh search engine'". BBC News. 2014-01-28. Retrieved 2023-06-16.

Further reading