微博自诞生以来,凭借其传播迅速、多点播报等优势,在突发公共事件传播中充当了重要角色。纵观微博参与的重大突发事件,在传递有效信息,促进突发事件迅速合理解决的同时,也不可避免地存在着负效应。碎片化阅读导致信息繁冗碎片化是指把完整的东西分割成零碎、杂乱的内容。现在人们每天的人际交流,被 Since its birth, microblogging has played an important role in the dissemination of public emergencies with its rapid dissemination and multi-point broadcast. Looking at major emergencies that Weibo participated in, negative information inevitably exists while delivering effective information and promptly and promptly solving unexpected incidents. Fragmentation of reading leads to fragmentation of information is the fragmentation of the whole thing into fragmented, messy content. People are now daily communication, was