In recent years, there have been frequent online rumors and chaos related to some hot social events, seriously disrupting social order and affecting social stability, with strong reactions from the people. Since April 10th of this year, the national public security organs have launched a 100 day special campaign to crack down on online rumors, which has achieved phased results. Recently, the Ministry of Public Security held a press conference in Beijing to introduce the relevant situation. According to reports, during the operation, public security organs nationwide investigated more than 2300 cases, rectified nearly 8000 internet platform enterprises, closed down over 21000 illegal and irregular accounts in accordance with the law, cleared more than 705000 online rumor information, and dealt with the chaos of online rumor problems in accordance with the law, effectively purifying the online ecosystem, and creating a clean and orderly online environment. From these cases, the current online rumors can be divided into five categories: 'old rumors and new rumors', rumors accompanying hot case events, rumors fabricated using new technologies and applications, rumors related to campus security, and rumors related to natural disasters. "Zhang Junbing, a second-level inspector of the Cybersecurity Bureau of the Ministry of Public Security, introduced. Zhejiang Public Security Organ Investigates a Case of "Online Water Army" Using Group Control Software to Provide False "Comment Like" Services; During the special operation, the public security organs in Shandong Province investigated a case of "online water army" that had over 1.5 million followers and used hot topics to extort... During the special operation, local public security organs strictly cracked down on the illegal criminal gangs of "online water army" in accordance with the law. Some 'online water armies' maliciously hype related events for profiteering, becoming the driving force behind the proliferation of online rumors. "Sun Jinfeng, Political Commissar of the Cybersecurity Bureau of the Ministry of Public Security, introduced that public security organs" create hotspots "," rub hotspots ", and" beat the pace "by fabricating and disseminating false information, using hot topic hype to carry out extortion, and diverting profits through hyping hot case events, And the "Network Water Army" group, which pays to use "transfer reviews" for false information, will expand its network and conduct investigations and crackdowns in accordance with the law. In this special action, the public security organs investigated and handled more than 130 cases of "Internet Water Army" according to law, and arrested more than 620 suspect. "At present, driven by the 'flow economy', some Personal media personnel are willing to try their hand by taking advantage of the public's anxiety, catharsis, sympathy for the weak, onlookers and novelty hunters to carry out information processing, secondary creation, patchwork, Zhang Guanli Dai and even direct rumor making, in an attempt to stir up netizens' emotions, tear social consensus, and pollute the network ecology." Li Tong, deputy director of the Internet Security Bureau of the Ministry of Public Security, said, Since the launch of the special action, public security organs across the country have investigated more than 1000 cases of fabricating online rumors for the purpose of attracting attention and attracting followers, and closed or banned more than 10000 online accounts for spreading rumors. It is reported that some website platforms do not fulfill the main responsibility of network security management, lack effective control over network rumor information, and even indulge in the spread of network rumors for the sake of traffic and popularity, causing adverse effects on the network ecological environment. The public security organs carry out centralized supervision and inspection of internet security, supervise website platforms to improve systems such as information release review and user real name management, investigate and punish website platforms that fail to fulfill their obligations in network information security management in accordance with the law, and eliminate internet rumors from the source