| In recent years,with the overall increase in the frequency of public crisis events such as natural disasters and man-made disasters,coupled with the development and popularization of the Internet and social media,online altruistic behavior has become more and more common.As a positive online behavior,online altruism refers to voluntary behavior that occurs in the online environment that will benefit others and the actor himself has no obvious self-interest motive.University students have played an active role in online altruism in recent public crisis events,and their online connections and self-help actions have attracted more and more attention.Based on the previous research on public crisis events and online altruistic behavior,this paper uses questionnaire survey,case analysis and network ethnography to sort out the online altruistic behavior of college students in public crisis events,and summarizes that the main forms include sharing rescue information or resource information,spreading positive energy to resist rumors,donating or collecting donations,and participating in volunteer services,and the main characteristics are the coexistence of material and immaterial,timeliness and delay,openness and concealment.Taking the Tencent online document in the Henan rainstorm incident as a case,the network theory of actors in communication studies was used to analyze its actors,transfer process and network,and then the reasons and significance of college students’online altruistic behavior in public crisis events were analyzed in combination with reality,and finally the practical hidden dangers such as information leakage,telecom fraud and psychological pressure in college students’ online altruistic behavior in public crisis events were explained,and guidance suggestions were given from the individual,social and university levels of college students. |