Rumors have existed since ancient times, before words appeared. Internet rumor is a new form of rumor that appears in recent years relying on Internet technology. Rumors themselves will endanger social stability, and rumors based on the network not only spread quickly and widely, but also have far more influence than rumors in real life. As active users on the Internet, college students naturally become important destinations for online rumors. Although college students are better than ordinary netizens in education, they are inexperienced and have limited ability to judge information, so they are easily influenced by online rumors.

From the perspective of communication science, there are many definitions of network rumor communication mode: "three-stage theory"-incubation period, formation period and development period; Allport and others put forward the "loss-reinforcement-absorption" mechanism of rumor spread, that is, the distortion mechanism of rumor spread; Infection mechanism: false information of pathogens and mass incidents-touching infected people and spreading-touching the source of infection and spreading to specific people continuously; General information transmission mode, that is, source-carrier-sink; The development law of network rumors of mass incidents is assembly, innuendo, creation and reconstruction, online and offline interaction, forming a butterfly effect; Some scholars also believe that the spread of online rumors follows such a mechanism. Internet false information-media fake news-is reprinted online, and online rumors are transformed into "news" through such a circular mode.

Internet rumors almost go hand in hand with group emergencies, which run through the whole process of group emergencies and have an important impact on the gestation, occurrence, evolution and even end of group emergencies. It will also lead to people's mental crisis and mental illness, causing panic and anxiety in the whole society. Even questioned the credibility of the government.

Second, it erodes the mainstream social values, and the social identity system is tilted under the psychological effect of "believing in its existence but not believing in its absence".

The third is the intensification of contradictions. At this time, any misconduct of the ruling authorities may be magnified and become an explosion barrel, which will explode under the ignition of online rumors, leading to the early arrival of mass emergencies.